GridViewObjectDataSource

http://topic.csdn.net/u/20070128/00/cd19d943-5835-422c-a839-fa2f555f5e8d.html让我头痛的GridView Template DropdownList ObjectDataSource...强汗无法传参数protected   void   GridView1_RowCommand(object   sender,   GridViewCommandEventArgs   e) {   if   (e.CommandName   ==   "Update ")   {       string   StudentTitle   =   ((TextBox)GridView1.Rows[GridView1.EditIndex].FindControl( "uTitle ")).Text;       string   StudentBirthDay   =   ((TextBox)           GridView1.Rows[GridView1.EditIndex].FindControl( "uBirthDay ")).Text;       bool   StudentGender   =   ((RadioButtonList)           GridView1.Rows[GridView1.EditIndex].FindControl( "uGender ")).SelectedValue   ==   "男 "   ?   true   :   false;       string   StudentClassName   =   ((DropDownList)           GridView1.Rows[GridView1.EditIndex].FindControl( "uClassName ")).SelectedValue;       string   StudentID   =   GridView1.DataKeys[GridView1.EditIndex].Value.ToString();       String   FileName   =   " ";       string   sql   =   " ";       String   PhotoPath   =   " ";           sql   =   "Update   Student   Set   Title=@Title,BirthDay   =   @BirthDay, "   ;           sql   +=   "Gender=@Gender,ClassName=@ClassName   Where   id=@id ";           SqlDataSource1.UpdateCommand   =   sql;       SqlDataSource1.UpdateCommandType   =   SqlDataSourceCommandType.Text;       SqlDataSource1.UpdateParameters.Add( "@Title ",   TypeCode.String,   StudentTitle);       SqlDataSource1.UpdateParameters.Add( "@BirthDay ",   TypeCode.DateTime,   StudentBirthDay);       SqlDataSource1.UpdateParameters.Add( "@Gender ",   TypeCode.Boolean,   StudentGender.ToString());       if   (HasFileUploaded)       {           SqlDataSource1.UpdateParameters.Add( "@PhotoPath ",   TypeCode.String,   PhotoPath);       }       SqlDataSource1.UpdateParameters.Add( "@ClassName ",   TypeCode.String,   StudentClassName);       SqlDataSource1.UpdateParameters.Add( "@id ",   TypeCode.Int32,   StudentID);       SqlDataSource1.Update();   } }