求大神指点为什么重写之后，再页面引用这个重写的GridView进行调用，
后台却无法使用id.DataSource属性
重写的gridview代码
/*----------------------------------------------------------------
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using System;
using System.Text;
using System.Web.UI.WebControls;
using System.ComponentModel;
using System.Drawing;
using System.Web.UI.Design;
using System.Drawing.Design;
using System.Web.UI;
using System.Web.UI.HtmlControls;
namespace Fujifilm.ColorOrganizer.UI.Common.GridViewExtensions
{
///
/// GridViewExtension
///
[ToolboxData("<{0}:GridViewExtensions runat=\"server\"></{0}:GridViewExtensions>")]
[Description("GridViewExtensions")]
public class GridViewExtensions : GridView, INamingContainer, IPostBackDataHandler, IPostBackEventHandler
{
///
///
///
public enum BUTTON_TYPE
{
Text = 0,
Image = 1
}
/// <summary>
/// ventTextChanged
/// </summary>
private static readonly object EventTextChanged = new object();
/// <summary>
/// �y�[�W
/// </summary>
public event EventHandler ChangePageIndex;
#region PageNowWidth
[DefaultValue(typeof(Unit), "")]
[Category("")]
[Description("")]
public Unit PageNowWidth
{
get
{
object o = ViewState["PageNowWidth"];
if (o != null)
{
return (Unit)o;
}
return Unit.Empty;
}
set
{
ViewState["PageNowWidth"] = value;
}
}
[DefaultValue(typeof(Unit), "")]
[Category("")]
[Description("")]
public Unit PageRowWidth
{
get
{
object o = ViewState["PageRowWidth"];
if (o != null)
{
return (Unit)o;
}
return Unit.Empty;
}
set
{
ViewState["PageRowWidth"] = value;
}
}
[DefaultValue(typeof(FontUnit), "")]
[Category("")]
[Description("")]
public FontUnit PageFontSize
{
get
{
object o = ViewState["PageFontSize"];
if (o != null)
{
return (FontUnit)o;
}
return FontUnit.Empty;
}
set
{
ViewState["PageFontSize"] = value;
}
}
[DefaultValue(typeof(Color), "")]
[Category("")]
[TypeConverter(typeof(WebColorConverter))]
[Description("")]
public Color PageFontColor
{
get
{
object o = ViewState["PageFontColor"];
if (o != null)
{
return (Color)o;
}
return Color.Empty;
}
set
{
ViewState["PageFontColor"] = value;
}
}
[DefaultValue(typeof(Color), "")]
[Category("")]
[TypeConverter(typeof(WebColorConverter))]
[Description("")]
public Color PageBackColor
{
get
{
object o = ViewState["PageBackColor"];
if (o != null)
{
return (Color)o;
}
return Color.Empty;
}
set
{
ViewState["PageBackColor"] = value;
}
}
[Category("")]
[DefaultValue(typeof(Color), "")]
[TypeConverter(typeof(WebColorConverter))]
[Description("")]
public Color PageBorderColor
{
get
{
object o = ViewState["PageBorderColor"];
if (o != null)
{
return (Color)o;
}
return Color.Empty;
}
set
{
ViewState["PageBorderColor"] = value;
}
}
[DefaultValue(typeof(Unit), "")]
[Category("")]
[Description("")]
public Unit PageBorderWidth
{
get
{
object o = ViewState["PageBorderWidth"];
if (o != null)
{
return (Unit)o;
}
return Unit.Empty;
}
set
{
ViewState["PageBorderWidth"] = value;
}
}
#endregion
#region ��ҳ����ť��ʽ
[DefaultValue(GridViewExtensions.BUTTON_TYPE.Text)]
[Category("")]
[Description("")]
public BUTTON_TYPE PageButtonType
{
get
{
object o = ViewState["PageButtonType"];
if (o != null)
{
return (BUTTON_TYPE)o;
}
return BUTTON_TYPE.Text;
}
set
{
ViewState["PageButtonType"] = value;
}
}
[DefaultValue("")]
[Category("")]
[Editor(typeof(ImageUrlEditor), typeof(UITypeEditor))]
[Description("")]
public string PageFirstImage
{
get
{
object o = ViewState["PageFirstImage"];
if (o != null)
{
return (string)o;
}
return string.Empty;
}
set
{
ViewState["PageFirstImage"] = value;
}
}
[DefaultValue("")]
[Category("")]
[Editor(typeof(ImageUrlEditor), typeof(UITypeEditor))]
[Description("")]
public string PageBackImage
{
get
{
object o = ViewState["PageBackImage"];
if (o != null)
{
return (string)o;
}
return string.Empty;
}
set
{
ViewState["PageBackImage"] = value;
}
}
[DefaultValue("")]
[Category("")]
[Editor(typeof(ImageUrlEditor), typeof(UITypeEditor))]
[Description("")]
public string PageNextImage
{
get
{
object o = ViewState["PageNextImage"];
if (o != null)
{
return (string)o;
}
return string.Empty;
}
set
{
ViewState["PageNextImage"] = value;
}
}
[DefaultValue("")]
[Category("")]
[Editor(typeof(ImageUrlEditor), typeof(UITypeEditor))]
[Description("")]
public string PageLastImage
{
get
{
object o = ViewState["PageLastImage"];
if (o != null)
{
return (string)o;
}
return string.Empty;
}
set
{
ViewState["PageLastImage"] = value;
}
}
[DefaultValue("")]
[Category("")]
[Description("")]
public string PagerableCssClass
{
get
{
object o = ViewState["PagerableCssClass"];
if (o != null)
{
return (string)o;
}
return string.Empty;
}
set
{
ViewState["PagerableCssClass"] = value;
}
}
[DefaultValue("")]
[Category("")]
[Description("")]
public string PageNowFormat
{
get
{
object o = ViewState["PageNowFormat"];
if (o != null)
{
return (string)o;
}
return "";
}
set
{
ViewState["PageNowFormat"] = value;
}
}
[DefaultValue("")]
[Category("")]
[Description("")]
public string PageRowFormat
{
get
{
object o = ViewState["PageRowFormat"];
if (o != null)
{
return (string)o;
}
return "";
}
set
{
ViewState["PageRowFormat"] = value;
}
}
[DefaultValue("")]
[Category("")]
[Description("")]
public string PageFirstFormat
{
get
{
object o = ViewState["PageFirstFormat"];
if (o != null)
{
return (string)o;
}
return "��ҳ";
}
set
{
ViewState["PageFirstFormat"] = value;
}
}
[DefaultValue("")]
[Category("")]
[Description("")]
public string PageBackFormat
{
get
{
object o = ViewState["PageBackFormat"];
if (o != null)
{
return (string)o;
}
return "��һҳ";
}
set
{
ViewState["PageBackFormat"] = value;
}
}
[DefaultValue("")]
[Category("")]
[Description("")]
public string PageNextFormat
{
get
{
object o = ViewState["PageNextFormat"];
if (o != null)
{
return (string)o;
}
return "";
}
set
{
ViewState["PageNextFormat"] = value;
}
}
[DefaultValue("")]
[Category("")]
[Description("")]
public string PageLastFormat
{
get
{
object o = ViewState["PageLastFormat"];
if (o != null)
{
return (string)o;
}
return "";
}
set
{
ViewState["PageLastFormat"] = value;
}
}
#endregion
#region ��ת����ʽ
[DefaultValue(typeof(Unit), "")]
[Category("")]
[Description("")]
public Unit PageJumpWidth
{
get
{
object o = ViewState["PageJumpWidth"];
if (o != null)
{
return (Unit)o;
}
return Unit.Empty;
}
set
{
ViewState["PageJumpWidth"] = value;
}
}
[DefaultValue(GridViewExtensions.BUTTON_TYPE.Text)]
[Category("")]
[Description("")]
public BUTTON_TYPE JumpButtonType
{
get
{
object o = ViewState["JumpButtonType"];
if (o != null)
{
return (BUTTON_TYPE)o;
}
return BUTTON_TYPE.Text;
}
set
{
ViewState["JumpButtonType"] = value;
}
}
[DefaultValue("")]
[Category("")]
[Editor(typeof(ImageUrlEditor), typeof(UITypeEditor))]
[Description("")]
public string JumpButtonImage
{
get
{
object o = ViewState["JumpButtonImage"];
if (o != null)
{
return (string)o;
}
return string.Empty;
}
set
{
ViewState["JumpButtonImage"] = value;
}
}
[DefaultValue(typeof(Color), "")]
[Category("")]
[TypeConverter(typeof(WebColorConverter))]
[Description("")]
public Color JumpButtonBorderColor
{
get
{
object o = ViewState["JumpButtonBorderColor"];
if (o != null)
{
return (Color)o;
}
return Color.Empty;
}
set
{
ViewState["JumpButtonBorderColor"] = value;
}
}
[DefaultValue(typeof(Unit), "")]
[Category("")]
[Description("")]
public Unit JumpButtonBorderWidth
{
get
{
object o = ViewState["JumpButtonBorderWidth"];
if (o != null)
{
return (Unit)o;
}
return Unit.Empty;
}
set
{
ViewState["JumpButtonBorderWidth"] = value;
}
}
[DefaultValue(typeof(Unit), "")]
[Category("")]
[Description("")]
public Unit JumpButtonHeight
{
get
{
object o = ViewState["JumpButtonHeight"];
if (o != null)
{
return (Unit)o;
}
return Unit.Pixel(25);
}
set
{
ViewState["JumpButtonHeight"] = value;
}
}
[DefaultValue(typeof(Unit), "")]
[Category("")]
[Description("")]
public Unit JumpButtonWidth
{
get
{
object o = ViewState["JumpButtonWidth"];
if (o != null)
{
return (Unit)o;
}
return Unit.Pixel(25);
}
set
{
ViewState["JumpButtonWidth"] = value;
}
}
[DefaultValue(typeof(Color), "")]
[Category("")]
[TypeConverter(typeof(WebColorConverter))]
[Description("")]
public Color JumpButtonBackColor
{
get
{
object o = ViewState["JumpButtonBackColor"];
if (o != null)
{
return (Color)o;
}
return Color.Empty;
}
set
{
ViewState["JumpButtonBackColor"] = value;
}
}
[DefaultValue(typeof(Unit), "")]
[Category("")]
[Description("")]
public Unit JumpTextBoxHeight
{
get
{
object o = ViewState["JumpTextBoxHeight"];
if (o != null)
{
return (Unit)o;
}
return Unit.Pixel(20);
}
set
{
ViewState["JumpTextBoxHeight"] = value;
}
}
[DefaultValue(typeof(Unit), "")]
[Category("")]
[Description("")]
public Unit JumpTextBoxWidth
{
get
{
object o = ViewState["JumpTextBoxWidth"];
if (o != null)
{
return (Unit)o;
}
return Unit.Pixel(20);
}
set
{
ViewState["JumpTextBoxWidth"] = value;
}
}
[DefaultValue(typeof(Unit), "")]
[Category("")]
[Description("")]
public Unit JumpTextBoxBorderWidth
{
get
{
object o = ViewState["JumpTextBoxBorderWidth"];
if (o != null)
{
return (Unit)o;
}
return Unit.Empty;
}
set
{
ViewState["JumpTextBoxBorderWidth"] = value;
}
}
[DefaultValue(typeof(Color), "")]
[Category("")]
[TypeConverter(typeof(WebColorConverter))]
[Description("")]
public Color JumpTextBoxBorderColor
{
get
{
object o = ViewState["JumpTextBoxBorderColor"];
if (o != null)
{
return (Color)o;
}
return Color.Empty;
}
set
{
ViewState["JumpTextBoxBorderColor"] = value;
}
}
[DefaultValue("")]
[Browsable(false)]
public string Text
{
get
{
object o = ViewState["Text"];
if (o != null)
{
return (string)o;
}
return string.Empty;
}
set
{
ViewState["Text"] = value;
}
}
#endregion
#region start
/// <summary>
///
/// </summary>
[DefaultValue(0)]
[Browsable(false)]
private int FirstNumericButton
{
get
{
object o = ViewState["FirstNumericButton"];
if (o != null)
{
return (int)o;
}
return 0;
}
set
{
ViewState["FirstNumericButton"] = value;
}
}
/// <summary>
///
/// </summary>
[DefaultValue(false)]
[Category("")]
[Description("")]
public bool ShowNumericButton
{
get
{
object o = ViewState["ShowNumericButton"];
if (o != null)
{
return (bool)o;
}
return false;
}
set
{
ViewState["ShowNumericButton"] = value; ;
}
}
/// <summary>
///
/// </summary>
[DefaultValue(true)]
[Category("")]
[Description("")]
public bool AllowPagerable
{
get
{
object o = ViewState["AllowPagerable"];
if (o != null)
{
return (bool)o;
}
return true;
}
set
{
ViewState["AllowPagerable"] = value;
}
}
/// <summary>
///
/// </summary>
[DefaultValue(0)]
[Category("")]
[Description("")]
public Int32 PageViewIndex
{
get
{
object o = ViewState["PageViewIndex"];
if (o != null)
{
return (Int32)o;
}
return (Int32)0;
}
set
{
ViewState["PageViewIndex"] = value;
}
}
/// <summary>
///
/// </summary>
[DefaultValue(10)]
[Category("")]
[Description("")]
public Int32 PageViewSize
{
get
{
object o = ViewState["PageViewSize"];
if (o != null)
{
return (Int32)o;
}
return (Int32)10;
}
set
{
this.PageSize = value;
ViewState["PageViewSize"] = value;
}
}
/// <summary>
///
/// </summary>
[DefaultValue(1)]
[Browsable(false)]
public Int32 PageViewCount
{
get
{
object o = ViewState["PageViewCount"];
if (o != null)
{
return (Int32)o;
}
return (Int32)1;
}
set
{
ViewState["PageViewCount"] = value;
}
}
/// <summary>
///
/// </summary>
[Browsable(false)]
public Int32 PageRowCount
{
get
{
object o = ViewState["PageRowCount"];
if (o != null)
{
return (Int32)o;
}
return (Int32)10;
}
set
{
ViewState["PageRowCount"] = value;
}
}
#endregion
#region �ű��ļ�
/// <summary>
///
/// </summary>
private string BuildScript()
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("function CheckNum(evt) {");
sb.AppendLine("if((evt.keyCode >= 96 && evt.keyCode <= 105) ||");
sb.AppendLine("(evt.keyCode >= 48 && evt.keyCode <= 57) ||");
sb.AppendLine("evt.keyCode == 8 || evt.keyCode == 37 ||");
sb.AppendLine("evt.keyCode == 38 || evt.keyCode == 39 ||");
sb.AppendLine("evt.keyCode == 40 || evt.keyCode == 13) ");
sb.AppendLine("{");
sb.AppendLine("if(evt.keyCode == 13)");
sb.AppendLine("{");
sb.AppendFormat("{0};", Page.ClientScript.GetPostBackEventReference(this, "jump"));
sb.AppendLine("}");
sb.AppendLine("return true;");
sb.AppendLine("}");
sb.AppendLine("else{ return false; } }");
return sb.ToString();
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private string CreateJavascript()
{
string divid = string.Format("{0}_table_Container", this.ClientID);
StringBuilder str = new StringBuilder();
//str.Append("<script type=\"text/javascript\">");
str.AppendFormat("IniCellWidth('{0}');", divid);
//str.Append("</script>");
return str.ToString();
}
#endregion
#region RenderNumeric
/// <summary>
///
/// </summary>
/// <returns></returns>
private void RenderNumericButton(HtmlTextWriter writer)
{
int i = 10;
//
int endindex = this.FirstNumericButton + i;
//
int endpage = this.PageViewCount % 10;
if (endpage != 0 && (this.PageViewIndex > (this.PageViewCount - endpage - 1) &&
this.PageViewIndex < this.PageViewCount))
{ //
endindex = this.PageViewCount;
}
for (int j = this.FirstNumericButton; j < endindex; j++)
{
if (j == this.PageViewIndex)
{ //
CreateNumericButton(writer, j, false);
}
else
{
CreateNumericButton(writer, j, true);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="writer"></param>
/// <param name="text"></param>
private void CreateNumericButton(HtmlTextWriter writer, int text, bool show)
{
writer.Write(" ");
string strtext = string.Format("{0}", text + 1);
if (show == true)
{ //
writer.AddStyleAttribute(HtmlTextWriterStyle.TextDecoration, "none");
writer.AddAttribute(HtmlTextWriterAttribute.Href, Page.ClientScript.GetPostBackClientHyperlink(this, "pager$" + text.ToString()));
writer.RenderBeginTag(HtmlTextWriterTag.A);
writer.Write(strtext);
writer.RenderEndTag();
}
else
{ //
writer.Write(strtext);
}
writer.Write(" ");
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private string RenderPageNow()
{
string templateCell = string.Format(PageNowFormat, PageViewIndex + 1, PageViewCount);
return templateCell;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private string RenderPageRow()
{
string templateCell = string.Format(PageRowFormat, PageViewSize, PageRowCount);
return templateCell;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private string RenderFirst()
{
string templateCell = string.Empty;
if (PageButtonType == BUTTON_TYPE.Text)
{
if (PageViewIndex <= 0)
{
templateCell = PageFirstFormat;
}
else
{
templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\">{1}</a>",
Page.ClientScript.GetPostBackClientHyperlink(this, "pager$0"), PageFirstFormat);
}
}
else
{
if (PageViewIndex <= 0)
{
templateCell = string.Format("<img border=\"0\" src=\"{0}\" />", ConverImageUrl(PageFirstImage));
}
else
{
templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\"><img border=\"0\" src=\"{1}\" /></a>",
Page.ClientScript.GetPostBackClientHyperlink(this, "pager$0"), ConverImageUrl(PageFirstImage));
}
}
return templateCell;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private string RenderLast()
{
string templateCell = string.Empty;
if (PageButtonType == BUTTON_TYPE.Text)
{
if (PageViewIndex >= PageViewCount - 1)
{
templateCell = PageLastFormat;
}
else
{
templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\">{1}</a>",
Page.ClientScript.GetPostBackClientHyperlink(this, string.Format("pager${0}", PageViewCount - 1)), PageLastFormat);
}
}
else
{
if (PageViewIndex >= PageViewCount - 1)
{
templateCell = string.Format("<img border=\"0\" src=\"{0}\" />", ConverImageUrl(PageLastImage));
}
else
{
templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\"><img border=\"0\" src=\"{1}\" /></a>",
Page.ClientScript.GetPostBackClientHyperlink(this, string.Format("pager${0}", PageViewCount - 1)), ConverImageUrl(PageLastImage));
}
}
return templateCell;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private string RenderBack()
{
string templateCell = string.Empty;
if (PageButtonType == BUTTON_TYPE.Text)
{
if (PageViewIndex <= 0)
{ //
templateCell = PageBackFormat;
}
else
{
templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\">{1}</a>",
Page.ClientScript.GetPostBackClientHyperlink(this, string.Format("pager${0}", PageViewIndex - 1)), PageBackFormat);
}
}
else
{
if (PageViewIndex <= 0)
{ //
templateCell = string.Format("<img border=\"0\" src=\"{0}\" />", ConverImageUrl(PageBackImage));
}
else
{
templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\"><img border=\"0\" src=\"{1}\" /></a>",
Page.ClientScript.GetPostBackClientHyperlink(this, string.Format("pager${0}", PageViewIndex - 1)), ConverImageUrl(PageBackImage));
}
}
return templateCell;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private string RenderNext()
{
string templateCell = string.Empty;
if (PageButtonType == BUTTON_TYPE.Text)
{
if (PageViewIndex >= PageViewCount - 1)
{ //
templateCell = PageNextFormat;
}
else
{
templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\">{1}</a>",
Page.ClientScript.GetPostBackClientHyperlink(this, string.Format("pager${0}", PageViewIndex + 1)), PageNextFormat);
}
}
else
{
if (PageViewIndex >= PageViewCount - 1)
{ //
templateCell = string.Format("<img border=\"0\" src=\"{0}\" />", ConverImageUrl(PageNextImage));
}
else
{
templateCell = string.Format("<a href=\"{0}\" style=\"text-decoration:none\"><img border=\"0\" src=\"{1}\" /></a>",
Page.ClientScript.GetPostBackClientHyperlink(this, string.Format("pager${0}", PageViewIndex + 1)), ConverImageUrl(PageNextImage));
}
}
return templateCell;
}
#endregion
#region ͼƬ·��ת��
private string ResolvePhysicalLocation(string path)
{
ISite site1 = this.GetSite();
if (site1 == null)
{
return path;
}
IWebApplication application1 = (IWebApplication)site1.GetService(typeof(IWebApplication));
IProjectItem item1 = application1.GetProjectItemFromUrl(path);
if (item1 != null)
{
return item1.PhysicalPath;
}
return path.Replace("~/", application1.RootProjectItem.PhysicalPath);
}
private ISite GetSite()
{
if (base.Site != null)
{
return base.Site;
}
for (Control control1 = this.Parent; control1 != null; control1 = control1.Parent)
{
if (control1.Site != null)
{
return control1.Site;
}
}
return null;
}
private void RenderImage(HtmlTextWriter writer, string imageurl)
{
if (this.Page != null)
{
string text1 = this.Page.ResolveUrl(imageurl);
if (base.DesignMode)
{
string text2 = this.ResolvePhysicalLocation(text1);
text1 = text2;
}
writer.AddAttribute(HtmlTextWriterAttribute.Src, text1);
}
writer.RenderBeginTag(HtmlTextWriterTag.Img);
writer.RenderEndTag();
}
private string ConverImageUrl(string url)
{
string text1 = this.Page.ResolveUrl(url);
return this.ResolvePhysicalLocation(text1);
}
#endregion
#region �ط����ݺ��¼�
/// <summary>
///
/// </summary>
/// <param name="postDataKey"></param>
/// <param name="postCollection"></param>
/// <returns></returns>
public bool LoadPostData(string postDataKey, System.Collections.Specialized.NameValueCollection postCollection)
{
string postedValue = postCollection[postDataKey];
string presentValue = Text;
if (presentValue == null || postedValue != presentValue)
{
Text = postedValue;
return true;
}
return false;
}
/// <summary>
///
/// </summary>
public void RaisePostDataChangedEvent()
{
OnTextChanged(EventArgs.Empty);
}
/// <summary>
///
/// </summary>
/// <param name="eventArgs"></param>
private void OnTextChanged(EventArgs eventArgs)
{
EventHandler textChangedHandler = (EventHandler)Events[EventTextChanged];
if (textChangedHandler != null)
{
textChangedHandler(this, eventArgs);
}
}
/// <summary>
///
/// </summary>
public event EventHandler TextChanged
{
add
{
Events.AddHandler(EventTextChanged, value);
}
remove
{
Events.RemoveHandler(EventTextChanged, value);
}
}
/// <summary>
///
/// </summary>
/// <param name="eventArgument"></param>
protected override void RaisePostBackEvent(string eventArgument)
{
base.RaisePostBackEvent(eventArgument);
if (this.AllowPagerable == true)
{
string[] str = eventArgument.Split('$');
if (str[0] == "jump")
{ //
Int32 pi;
try
{
string index = (string)ViewState["Text"];
pi = Int32.Parse(index);
pi -= 1;
}
catch
{
pi = PageViewIndex;
}
if (pi >= 0 && pi <= PageViewCount - 1)
{
PageViewIndex = pi;
}
else
{
PageViewIndex = PageViewCount - 1;
}
OnChangePageIndex(new EventArgs());
}
else if (str[0] == "pager")
{ //
PageViewIndex = Int32.Parse(str[1]);
OnChangePageIndex(new EventArgs());
}
if (this.ShowNumericButton == true)
{
if (this.PageViewIndex >= (this.FirstNumericButton + 10))
{ //
if (this.PageViewIndex == (this.PageViewCount - 1))
{ //
if ((this.PageViewCount % 10) == 0)
{ //
this.FirstNumericButton = this.PageViewIndex - 10 + 1;
}
else
{
this.FirstNumericButton = this.PageViewIndex - (this.PageViewCount % 10) + 1;
}
}
else
{
this.FirstNumericButton = this.PageViewIndex;
}
}
else if (this.PageViewIndex < this.FirstNumericButton)
{ //
if (this.PageViewIndex == 0)
{ //
this.FirstNumericButton = 0;
}
else
{
this.FirstNumericButton = this.PageViewIndex - 10 + 1;
}
}
OnChangePageIndex(new EventArgs());
}
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
private void OnChangePageIndex(EventArgs e)
{
ChangePageIndex(this, e);
}
#endregion
#region �����ҳ��
public override void RenderControl(HtmlTextWriter writer)
{
if (BottomPagerRow != null)
{
BottomPagerRow.Cells.Clear();
}
base.RenderControl(writer);
}
private string ColorFormat(Color color)
{
string str = color.Name;
if (str.ToUpper().StartsWith("FF"))
{
str = "#" + str.Remove(0, 2);
}
return str;
}
#endregion
#region ��������
public override Unit Width
{
get
{
if (base.Width == Unit.Empty && AllowChangeCellWidth == false)
{
return Unit.Percentage(100);
}
return base.Width;
}
set
{
base.Width = value;
}
}
[Browsable(false)]
public override PagerSettings PagerSettings
{
get
{
return base.PagerSettings;
}
}
[Browsable(false)]
public override bool AllowPaging
{
get
{
return true;
}
set
{
base.AllowPaging = value;
}
}
[Browsable(false)]
public override int PageCount
{
get
{
return base.PageCount;
}
}
[Browsable(false)]
public override int PageIndex
{
get
{
return base.PageIndex;
}
set
{
base.PageIndex = value;
}
}
[Browsable(false)]
public override int PageSize
{
get
{
return base.PageSize;
}
set
{
base.PageSize = value;
}
}
/// <summary>
///
/// </summary>
[DefaultValue(false)]
[Description("�Ƿ������ı�ÿ�еĿ���")]
public bool AllowChangeCellWidth
{
get
{
object o = ViewState["AllowChangeCellWidth"];
if (o != null)
{
return (bool)o;
}
return false;
}
set
{
ViewState["AllowChangeCellWidth"] = value;
}
}
#endregion
#region RenderBeginTag
/// <summary>
///
/// </summary>
/// <param name="writer"></param>
public override void RenderBeginTag(HtmlTextWriter writer)
{
string divid = string.Format("{0}_table_Container", this.ClientID);
string tbodyid = string.Format("{0}_GridBody_Cells", this.ClientID);
if (AllowChangeCellWidth == true)
{
writer.AddAttribute(HtmlTextWriterAttribute.Class, "tableContainer");
writer.AddAttribute(HtmlTextWriterAttribute.Id, divid);
writer.AddAttribute("onmousedown", string.Format("TableOnMouseDown('{0}');", divid));
writer.AddAttribute("onmouseup", string.Format("TableOnMouseUp('{0}');", tbodyid));
writer.AddAttribute("onmousemove", "TableOnMouseMove();");
writer.AddStyleAttribute(HtmlTextWriterStyle.Width, "100%");
writer.RenderBeginTag(HtmlTextWriterTag.Div);
}
base.RenderBeginTag(writer);
}
/// <summary>
///
/// </summary>
/// <param name="writer"></param>
public override void RenderEndTag(HtmlTextWriter writer)
{
base.RenderEndTag(writer);
if (AllowChangeCellWidth == true)
{
writer.RenderEndTag();
}
}
/// <summary>
///
/// </summary>
/// <param name="writer"></param>
protected override void Render(HtmlTextWriter writer)
{
if (AllowChangeCellWidth == true)
{
int i = 0;
if (HeaderRow != null)
{
foreach (TableCell cell in HeaderRow.Cells)
{
string str = cell.Text;
cell.ID = i.ToString();
cell.Text = string.Format("<div class=\"gridCell_standard\" columnIndex=\"{0}\">{1}</div>", i, str);
i++;
}
}
}
base.Render(writer);
}
/// <summary>
///
/// </summary>
/// <param name="writer"></param>
protected override void RenderContents(HtmlTextWriter writer)
{
string tbodyid = string.Format("{0}_GridBody_Cells", this.ClientID);
if (AllowChangeCellWidth == true)
{
//
string str = string.Empty;
this.RenderBeginTag(writer);
if (this.HeaderRow != null)
{
this.HeaderRow.RenderControl(writer);
}
writer.AddAttribute(HtmlTextWriterAttribute.Id, tbodyid);
writer.RenderBeginTag(HtmlTextWriterTag.Tbody);
if (Rows != null)
{
foreach (GridViewRow row in this.Rows)
{
foreach (TableCell cell in row.Cells)
{
if (cell.HasControls())
{
cell.Controls.AddAt(0, new LiteralControl("<div class=\"gridCell_standard\">"));
cell.Controls.Add(new LiteralControl("</div>"));
}
else
{
str = cell.Text;
cell.Text = string.Format("<div class=\"gridCell_standard\">{0}</div>", str);
}
}
row.RenderControl(writer);
}
}
writer.RenderEndTag();
if (this.FooterRow != null)
{
this.FooterRow.RenderControl(writer);
}
this.RenderEndTag(writer);
//writer.Write(this.CreateJavascript());
}
else
{
//base.RenderBeginTag(writer);
base.RenderContents(writer);
//base.RenderEndTag(writer);
}
}
#endregion
#region Page_PreRenderComplete
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Page_PreRenderComplete(object sender, EventArgs e)
{
string str = string.Format("{0}_gridviewini", this.ClientID);
Page.ClientScript.RegisterClientScriptResource(this.GetType(), "~.Scripts.gridview.js");
//
if (!Page.ClientScript.IsStartupScriptRegistered(str) && AllowChangeCellWidth == true)
{
Page.ClientScript.RegisterStartupScript(this.GetType(), str, this.CreateJavascript(), true);
}
//
if (!Page.ClientScript.IsClientScriptBlockRegistered("CheckNum"))
{
string js = BuildScript();
Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "CheckNum", js, true);
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
this.Page.PreRenderComplete += new EventHandler(this.Page_PreRenderComplete);
}
/// <summary>
///
/// </summary>
/// <param name="path"></param>
private void RegisterCssFile(string path)
{
HtmlLink link1 = new HtmlLink();
link1.Attributes["type"] = "text/css";
link1.Attributes["rel"] = "stylesheet";
link1.Attributes["href"] = path;
this.Page.Header.Controls.Add(link1);
}
#endregion
}
}