索引超出范围。必须为非负值并小于集合大小。参数名:indexpublicpartialclass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

Question

索引超出范围。必须为非负值并小于集合大小。 参数名: index public partial class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.ArgumentOutOfRangeException: 索引超出范围。必须为非负值并小于集合大小。 参数名: index 源错误: 行31: { 行32: SqlConnection mycon = new SqlConnection("server=ALEXANDER-PC;uid=sa;pwd=123456;database=test"); 行33: SqlCommand mycom = new SqlCommand("delete from gridview where id='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'",mycon); 行34: mycon.Open(); 行35: mycom.ExecuteNonQuery(); 源文件: d:\WebSites\gridview\Default.aspx.cs 行: 33 堆栈跟踪: [ArgumentOutOfRangeException: 索引超出范围。必须为非负值并小于集合大小。 参数名: index] System.Collections.ArrayList.get_Item(Int32 index) +7488568 System.Web.UI.WebControls.DataKeyArray.get_Item(Int32 index) +12 _Default.GridView1_RowDeleting(Object sender, GridViewDeleteEventArgs e) in d:\WebSites\gridview\Default.aspx.cs:33 System.Web.UI.WebControls.GridView.OnRowDeleting(GridViewDeleteEventArgs e) +133 System.Web.UI.WebControls.GridView.HandleDelete(GridViewRow row, Int32 rowIndex) +569 System.Web.UI.WebControls.GridView.HandleEvent(EventArgs e, Boolean causesValidation, String validationGroup) +869 System.Web.UI.WebControls.GridView.RaisePostBackEvent(String eventArgument) +207 System.Web.UI.WebControls.GridView.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +175 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565 版本信息: Microsoft .NET Framework 版本:2.0.50727.5466; ASP.NET 版本:2.0.50727.5456 public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { SqlConnection mycon = new SqlConnection("server=ALEXANDER-PC;uid=sa;pwd=123456;database=test"); SqlDataAdapter myada=new SqlDataAdapter("select*from gridview",mycon); DataSet ds = new DataSet(); myada.Fill(ds, "c"); GridView1.DataSource = ds.Tables["c"]; GridView1.DataBind(); } protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e) { GridView1.EditIndex = e.NewEditIndex; GridView1.DataBind(); } protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e) { SqlConnection mycon = new SqlConnection("server=ALEXANDER-PC;uid=sa;pwd=123456;database=test"); SqlCommand mycom = new SqlCommand("delete from gridview where id='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'",mycon); mycon.Open(); mycom.ExecuteNonQuery(); mycon.Close(); GridView1.DataBind(); } }

Answer 1

索引越界 打断点在 d:\WebSites\gridview\Default.aspx.cs 行: 33 调试吧 看代码是看不出来的。。。