前台：
代码语言：javascript复制<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False"
OnRowDataBound="GridView1_RowDataBound"
ShowFooter="true">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:Label ID="labelfirst" runat="server" Text='<%# Eval("first") %>'></asp:Label>
</ItemTemplate>
<FooterTemplate>
<asp:Label id="labelAll" runat="server" Text="总计："></asp:Label>
</FooterTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>后台：
代码语言：javascript复制private int num = 0;
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
DataRowView dr = e.Row.DataItem as DataRowView;
num = Convert.ToInt32(dr.Row["first"]);
}
else if (e.Row.RowType == DataControlRowType.Footer)
{
Label LabelAll = e.Row.FindControl("labelAll") as Label;
if (LabelAll != null)
{
LabelAll.Text = num.ToString();//"计算的总数，或者也可以单独计算";//
}
}
}"first"是数据源的一个字段
