创建数据库是列名无效咋办_怎样解决列名无效 - 技术问答 - .Net源码论坛 .net源码,ASP.net|论坛 - Powered by Discuz!NT...

列名 'Class' 无效。

说明: 执行当前 Web 请求期间，出现未处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.Data.SqlClient.SqlException: 列名 'Class' 无效。

源错误:

执行当前 Web 请求期间生成了未处理的异常。可以使用下面的异常堆栈跟踪信息确定有关异常原因和发生位置的信息。

堆栈跟踪:

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

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

源代码

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)

{

/*判断管理员是否已经登陆了系统*/

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

{

Response.Write("");

return;

}

}

}

protected void  Btn_Add_Click(object sender, EventArgs e)

{

/*首先建立员工对象的模型并将界面上的信息传递给它*/

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;

/*然后调用业务层对员工信息进行添加,成功返回true,失败返回false错误信息保存在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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