将字符串转换为 uniqueidentifier 时失败

_lib.TSqlDB.ExecuteNonQuery(String Query) in C:\Work\Documents and Settings\za\My Documents\Visual Studio Projects\CMS\CMS_lib\TSqlDB.cs:205
_lib.TData.Insert(String ExSql) in C:\Work\Documents and Settings\za\My Documents\Visual Studio Projects\CMS\CMS_lib\TDataRset.cs:64
_lib.TCmsArticle.Insert() in C:\Work\Documents and Settings\za\My Documents\Visual Studio Projects\CMS\CMS_lib\TCmsArticle.cs:82
_lib.CMS.Article.btnOK_ServerClick(Object sender, ImageClickEventArgs e) in C:\Work\Documents and Settings\za\My Documents\Visual Studio Projects\CMS\CMS\manage\Article.aspx.cs:99
TSqlDB.cs:205
public static int ExecuteNonQuery(string Query)
{
int Result;

        SqlConnection myConnection = new SqlConnection(GetConnString());
        myConnection.Open();
        SqlCommand myCommand = new SqlCommand(Query, myConnection);
        Result= myCommand.ExecuteNonQuery();
        myConnection.Close();

        return Result;
    }
    \TDataRset.cs:64
            protected void Insert(string ExSql)
    {
        string strSql = GetInsertString(ExSql);
        TSqlDB.ExecuteNonQuery(strSql);
    }
    TCmsArticle.cs:82
            public void Insert()
    {
        string ExSql = "newid(), '"+FArticleCID+"', null, getdate(), '"+FArticleTitle+"', '"+FArticleContent+"', '"+FArticleAuthor+"', 0, 1";
        base.Insert(ExSql);
    }
    Article.aspx.cs:99
                if (oArticle.ArticleContent.Length>4000) 
        {
            oArticle.ArticleContent = oArticle.ArticleContent.Substring(0,4000);
        }
        oArticle.ArticleAuthor  = txtArticleAuthor.Value;
        if (FIsNew)
        {
            oArticle.ArticleCID = FColumnID;
            oArticle.Insert();
        }
        else
        {
            oArticle.Update();
        }

看看你的字符串是不是一个合法的GUID字符串，调试下。

uniqueidentifier是数据库里的字段，对应C#里面的Guid