列名 'Class' 無效。

說明: 執行當前 Web 請求期間，出現未處理的異常。請檢查堆棧跟蹤信息，以了解有關該錯誤以及代碼中導致錯誤的出處的詳細信息。

異常詳細信息: System.Data.SqlClient.SqlException: 列名 'Class' 無效。

源錯誤:

執行當前 Web 請求期間生成了未處理的異常。可以使用下面的異常堆棧跟蹤信息確定有關異常原因和發生位置的信息。

堆棧跟蹤:

[SqlException (0x80131904): 列名 'Class' 無效。]

System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) +177

System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +68

System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +199

System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +2300

System.Data.SqlClient.SqlDataReader.ConsumeMetaData() +31

System.Data.SqlClient.SqlDataReader.get_MetaData() +62

System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +294

System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +1021

System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +314

System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +20

System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) +107

System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior) +10

System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) +7

System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +139

System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +140

System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) +83

System.Web.UI.WebControls.SqlDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +1657

System.Web.UI.WebControls.ListControl.OnDataBinding(EventArgs e) +86

System.Web.UI.WebControls.ListControl.PerformSelect() +18

System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +68

System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +61

System.Web.UI.WebControls.ListControl.OnPreRender(EventArgs e) +26

System.Web.UI.Control.PreRenderRecursiveInternal() +88

System.Web.UI.Control.PreRenderRecursiveInternal() +171

System.Web.UI.Control.PreRenderRecursiveInternal() +171

System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5729

源代碼

using System;

using System.Data;

using System.Data.SqlClient;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using Ka.Model;

using Ka.Logic;

public partial class StudentAdd : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

/*判斷管理員是否已經登陸了系統*/

if (Session["admin"] == null)

{

Response.Write("");

return;

}

}

}

protected void??Btn_Add_Click(object sender, EventArgs e)

{

/*首先建立員工對象的模型并將界面上的信息傳遞給它*/

StudentModel studentModel = new StudentModel();

studentModel.StudentID = this.StudentID.Text;

studentModel.Name = this.Name.Text;

studentModel.Sex = this.Sex.Text;

studentModel.Vocational = this.Vocational.Text;

studentModel.Classname = this.Classname.Text;

studentModel.Stupassword = this.Stupassword.Text;

/*然后調用業務層對員工信息進行添加,成功返回true,失敗返回false錯誤信息保存在ErrMessage中*/

StudentLogic studentLogic = new StudentLogic();

if (studentLogic.StudentAdd(studentModel))

Response.Write("");

else

Response.Write("");

}

protected void Btn_Cancle_Click(object sender, EventArgs e)

{

Response.Redirect("StudentAdd.aspx");

}

}

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