private void Command1_Click()
{
int i = 0;
int j = 0;
int k = 0;
Excel.Application xlApp = default(Excel.Application);
Excel.Workbook xlBook = default(Excel.Workbook);
Excel.Worksheet xlSheet = default(Excel.Worksheet);
{
{
{
xlSheet.Columns.AutoFit;
this.MousePointer = 11;
for (k = 0; k <= DataGrid1.Columns.Count - 1; k++) //DataGrid所有的列数
{
xlSheet.Cells(1, k + 1) = DataGrid1.Columns(k).Caption; //第一行为DataGrid的列标题
}
DataGrid1.Scroll (0, - DataGrid1.FirstRow); //导出前拉动过垂直滚动条，这个非常重要
DataGrid1.Row = 0;
for (i = 0; i <= DataGrid1.ApproxCount - 1; i++) //DataGrid的所有行数
{
for (j = 0; j <= DataGrid1.Columns.Count - 1; j++) //DataGrid所有的列数,若将此数改小到不拉DataGrid的垂直滚动条的时候能看见的行数的时候正常
{
DataGrid1.Col = j;
xlSheet.Cells(i + 2, j + 1) = Adodc1.Recordset(j); //DataGrid1.Text '从第二行显示'DataGrid的内容
}
if (i < DataGrid1.ApproxCount - 1)
{
DataGrid1.Row = DataGrid1.Row + 1;
}
}
this.MousePointer = 0;
MsgBox ("导出成功！");
xlApp.Visible = true;
//Excel 处于当前窗体
{
{
{
}
private void DataGrid1_Click()
{
}
private void Form_Load()
{
int i = 0;
//装入一级类目
Combospecialty.AddItem ("全部");
this.Load_by_Upper(0);
i = 0;
while (Arr_ClassName(i) != "")
{
Combospecialty.AddItem (Arr_ClassName(i));
i++;
}
Combospecialty.ListIndex = 0;
//不显示二级类目
Comboclass.Visible = false;
Combofour.ListIndex = 0;
}
private void Refresh_culture()
{
string TmpSource = "";
TmpSource = "SELECT S.Student_Id as 学生序号,S.Student_Name as 姓名,S.BadgeID as 学号, "
+ " C1.Class_Name as 专业名称,C2.class_name as 班级名称,convert(char,F.Student_Grade) as 学年,F.yearinput as 年度,"
+ "F.Cet_Four as 四级成绩, F.Cet_Six as 六级成绩, F.NationPC_Two as 全国计算机二级成绩, "
+ "F.NationPC_Three as 全国计算机三级成绩, F.NationPC_Four as 全国计算机四级成绩, F.JsPC_Two as 江苏计算机二级成绩,"
+ "F.JsPC_Three as 江苏计算机三级成绩,F.Basicjudge_Type as 基本素质测评类型,F.Basicjudge_Score as 基本素质测评分,F.grow_score as 发展素质分,"
+ "F.Culture_Memo as 文化备注 "
+ "FROM Students S,Classes C1,classes C2 ,Student_four F"
+ " WHERE S.Class_Id = C2.Class_Id And S.student_ID=f.student_ID and C2.UpperId =C1.class_ID And S.Student_Id = F.Student_Id ";
if (Combospecialty.ListIndex != 0)
{
if (Comboclass.ListIndex == 0)
{
TmpSource = TmpSource + " and C1.class_name=\'" + Strings.Trim(System.Convert.ToString(Combospecialty.Text)) + "\'";
}
else
{
TmpSource = TmpSource + " and C1.class_name=\'" + Strings.Trim(System.Convert.ToString(Combospecialty.Text))
+ "\' and C2.class_name=\'" + Strings.Trim(System.Convert.ToString(Comboclass.Text)) + "\'";
}
}
TmpSource = TmpSource + " and cast(F.Student_Grade as char)=\'" + Strings.Trim(System.Convert.ToString(Combofour.Text)) + "\'";
TmpSource = TmpSource + " order by s.student_ID asc";
Adodc1.RecordSource = TmpSource;
Adodc1.Refresh;
DataGrid1.Refresh;
if (Adodc1.Recordset.EOF == true)
{
//MsgBox "没有数据可供导出！"
Command1.Enabled = false;
}
else
{
Command1.Enabled = true;
}
}
private void Command1_Click()
{
int i = 0;
int j = 0;
int k = 0;
Excel.Application xlApp = default(Excel.Application);
Excel.Workbook xlBook = default(Excel.Workbook);
Excel.Worksheet xlSheet = default(Excel.Worksheet);
{
{
{
xlSheet.Columns.AutoFit;
this.MousePointer = 11;
for (k = 0; k <= DataGrid1.Columns.Count - 1; k++) //DataGrid所有的列数
{
xlSheet.Cells(1, k + 1) = DataGrid1.Columns(k).Caption; //第一行为DataGrid的列标题
}
DataGrid1.Scroll (0, - DataGrid1.FirstRow); //导出前拉动过垂直滚动条，这个非常重要
DataGrid1.Row = 0;
for (i = 0; i <= DataGrid1.ApproxCount - 1; i++) //DataGrid的所有行数
{
for (j = 0; j <= DataGrid1.Columns.Count - 1; j++) //DataGrid所有的列数,若将此数改小到不拉DataGrid的垂直滚动条的时候能看见的行数的时候正常
{
DataGrid1.Col = j;
xlSheet.Cells(i + 2, j + 1) = Adodc1.Recordset(j); //DataGrid1.Text '从第二行显示'DataGrid的内容
}
if (i < DataGrid1.ApproxCount - 1)
{
DataGrid1.Row = DataGrid1.Row + 1;
}
}
this.MousePointer = 0;
MsgBox ("导出成功！");
xlApp.Visible = true;
//Excel 处于当前窗体
{
{
{
}
private void DataGrid1_Click()
{
}
private void Form_Load()
{
int i = 0;
//装入一级类目
Combospecialty.AddItem ("全部");
this.Load_by_Upper(0);
i = 0;
while (Arr_ClassName(i) != "")
{
Combospecialty.AddItem (Arr_ClassName(i));
i++;
}
Combospecialty.ListIndex = 0;
//不显示二级类目
Comboclass.Visible = false;
Combofour.ListIndex = 0;
}
private void Refresh_culture()
{
string TmpSource = "";
TmpSource = "SELECT S.Student_Id as 学生序号,S.Student_Name as 姓名,S.BadgeID as 学号, "
+ " C1.Class_Name as 专业名称,C2.class_name as 班级名称,convert(char,F.Student_Grade) as 学年,F.yearinput as 年度,"
+ "F.Cet_Four as 四级成绩, F.Cet_Six as 六级成绩, F.NationPC_Two as 全国计算机二级成绩, "
+ "F.NationPC_Three as 全国计算机三级成绩, F.NationPC_Four as 全国计算机四级成绩, F.JsPC_Two as 江苏计算机二级成绩,"
+ "F.JsPC_Three as 江苏计算机三级成绩,F.Basicjudge_Type as 基本素质测评类型,F.Basicjudge_Score as 基本素质测评分,F.grow_score as 发展素质分,"
+ "F.Culture_Memo as 文化备注 "
+ "FROM Students S,Classes C1,classes C2 ,Student_four F"
+ " WHERE S.Class_Id = C2.Class_Id And S.student_ID=f.student_ID and C2.UpperId =C1.class_ID And S.Student_Id = F.Student_Id ";
if (Combospecialty.ListIndex != 0)
{
if (Comboclass.ListIndex == 0)
{
TmpSource = TmpSource + " and C1.class_name=\'" + Strings.Trim(System.Convert.ToString(Combospecialty.Text)) + "\'";
}
else
{
TmpSource = TmpSource + " and C1.class_name=\'" + Strings.Trim(System.Convert.ToString(Combospecialty.Text))
+ "\' and C2.class_name=\'" + Strings.Trim(System.Convert.ToString(Comboclass.Text)) + "\'";
}
}
TmpSource = TmpSource + " and cast(F.Student_Grade as char)=\'" + Strings.Trim(System.Convert.ToString(Combofour.Text)) + "\'";
TmpSource = TmpSource + " order by s.student_ID asc";
Adodc1.RecordSource = TmpSource;
Adodc1.Refresh;
DataGrid1.Refresh;
if (Adodc1.Recordset.EOF == true)
{
//MsgBox "没有数据可供导出！"
Command1.Enabled = false;
}
else
{
Command1.Enabled = true;
}
}
应输入 class、delegate、enum、interface 或 struct
出现4个这样的错误
怎么改
这是一个单项查询的
这些代码必须写在类的定义里，而不能直接放在源代码文件里。
你的源代码文件应该类似
using xxx
namespace xxx
{
public class xxx
{
private void xxx() //这里才能放函数
{
...
}
}
}