1

GridView手动生成列时出现问题。我的程序停在这一行:

e.Row.Cells[42].Text = "x";

并抛出以下错误:

“指定的参数超出了有效值的范围。参数名称:索引描述:在执行当前 Web 请求期间发生了未处理的异常。请查看堆栈跟踪以获取有关错误及其源自代码的位置的更多信息。

异常详细信息:System.ArgumentOutOfRangeException:指定的参数超出了有效值的范围。参数名称:索引"

我的 HTML 代码是:

<div class="scrolling-container">
    <br/>

    <asp:GridView EnableSortingAndPagingCallbacks="true" ID="StationGridView" runat="server"
        GridLines="None" CellSpacing="1" AlternatingRowStyle-Wrap="false"
        Font-Names="tahoma" Font-Size="14px" CellPadding="3"
        AllowSorting="True"
        ViewStateMode="Disabled" EnableViewState="false"
        AllowPaging="True" PageSize="15" dir="rtl" Width="100%"
        OnRowDataBound="StationGridView_RowDataBound">

        <HeaderStyle BackColor="#d7effd" Font-Bold="true" ForeColor="Navy" Font-Size="12px" Font-Underline="false" />

        <FooterStyle BackColor="#d7effd" Font-Bold="true" ForeColor="Navy"
            VerticalAlign="Middle" HorizontalAlign="Center" Font-Size="16px" />

        <AlternatingRowStyle BackColor="#c0c0c0" ForeColor="#000000" Height="25px" />

    </asp:GridView>
</div>

我的源代码是:

protected void Page_Load(object sender, EventArgs e)
{

    if (Page.IsPostBack == false)
    {
        Initialize();
    }

    //Load data

        PortalDataSetTableAdapters.VW_StationTableAdapter stationsAdapter = new PortalDataSetTableAdapters.VW_StationTableAdapter();
        PortalDataSet.VW_StationDataTable Station;
        Station = stationsAdapter.GetData();


        StationGridView.DataSource = Station;
        StationGridView.AutoGenerateColumns = true;

         StationGridView.DataBind();
    }
}


protected void StationGridView_RowDataBound(object sender, GridViewRowEventArgs e)
{                  
        if (e.Row.RowType == DataControlRowType.Header)
        { 
            e.Row.Cells[0].Text = "a";
            e.Row.Cells[1].Text = "b";
            e.Row.Cells[2].Text = "c";
            .
            .
            e.Row.Cells[42].Text = "x";
            e.Row.Cells[43].Text = "x";
            e.Row.Cells[44].Text = "x";
         }
}

当生成的单元格数量超过 42 时(正好在行上e.Row.Cells[42].Text = "x";),就会发生错误。为什么会出现这种情况?

4

1 回答 1

0

如果你没有十亿行,列数不是问题(来源:http ://forums.asp.net/post/3380845.aspx )

您当然只有 42 列,当您试图达到第 43 列时,您会得到 ArugmentOutOfRangeException。

于 2016-07-20T09:20:56.750 回答