Question

我有一个与数据集绑定的GridView。我有我的页脚，由列线分隔。我想合并2列;我该怎么做？

<asp:TemplateField HeaderText="Name" SortExpression="Name">
<ItemTemplate>
...  
</ItemTemplate>
<FooterTemplate >                    
Grand Total:
</div>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Age" SortExpression="Age">
<ItemTemplate>
...  
</ItemTemplate>
<FooterTemplate >                    
<%# GetTotal() %> 
</div>
</FooterTemplate>
</asp:TemplateField>

Answer 1

protected void GridView1_OnRowDataBound(object sender, System.Web.UI.WebControls.GridViewRowEventArgs e)
    {

        if (e.Row.RowType == DataControlRowType.Footer)
        {
           e.Row.Cells.RemoveAt(1);
           e.Row.Cells[0].ColumnSpan = 2;

        }

    }

Answer 2

未经测试的代码

第一个页脚模板应包含＆lt;％＃GetTotal（）％＆gt;

第二个页脚模板应为空

    Protected Sub Page_SaveStateComplete(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.SaveStateComplete
        Dim DG As GridView = GridView1
            Dim Tbl As Table = DG.Controls(0)
            Dim tr As GridViewRow
            Dim i As Integer
            Dim j As Integer

tr = Tbl.Rows(Tbl.Rows.Count - 1) 'this line assume last row is footer row

                    tr.Cells(0).ColumnSpan = 2 'if you have 3 columns then colspan = 3 instead

                    For j = 1 To 1 'if you have 3 columns then j = 1 To 2 instead
                        tr.Cells(j).Visible = False
                    Next

    End Sub

Answer 3

我正在做这样的事情 - 尝试在页脚中插入一个按钮，跨越多个cols。

当我通过代码设置columnspan时遇到了问题，因为a）我是菜鸟，而b）不按照我的预期进行操作。我不记得所有的细节，但那里有一些问题 - 比如它增加了额外的列或其他东西。

这是我的解决方案。也许其中一些会有用。我在网格视图（gvDocs）的预呈现中做了。

让我正常工作的是以编程方式删除页脚的细胞以及设置柱子。

即使代码没有帮助，也许人们会嘲笑困扰我的忘记。它有时会让我发笑。

   Protected Sub gvDocs_PreRender(ByVal sender As Object, ByVal e As System.EventArgs) Handles gvDocs.PreRender

        If gvDocs.Rows.Count > 0 Then


            Dim m As Integer = gvDocs.FooterRow.Cells.Count
            For i As Integer = m - 1 To 1 Step -1
                If i <> 8 Then '7 is the number of the column with the applychanges button in it.
                    gvDocs.FooterRow.Cells.RemoveAt(i)
                End If
            Next i
            gvDocs.FooterRow.Cells(1).ColumnSpan = 6 '6 is the number of visible columns to span.
        End If
    End Sub

Fernando68 - 这是在C＃

protected void gvDocs_PreRender(object sender, System.EventArgs e)
{

    if (gvDocs.Rows.Count > 0) {

        int m = gvDocs.FooterRow.Cells.Count;
        for (int i = m - 1; i >= 1; i += -1) {
            //7 is the number of the column with the applychanges button in it.
            if (i != 8) {
                gvDocs.FooterRow.Cells.RemoveAt(i);
            }
        }
        gvDocs.FooterRow.Cells[1].ColumnSpan = 6;
        //6 is the number of visible columns to span.
    }
}

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已编辑 - 需要使用方括号在页脚行中按索引访问单元格

我可以在GridView中合并页脚吗？

3 个答案: