设置下拉框的初始值：
<asp:DropDownList ID="DropDownList1" runat="server">
<asp:ListItem Text="小学" Value="1"></asp:ListItem>
<asp:ListItem Text="中学" Value="2"></asp:ListItem>
<asp:ListItem Text="大学" Value="3"></asp:ListItem>
</asp:DropDownList>
string init = "2";
for (int i = 0; i < DropDownList1.Items.Count; i++)
{
if (DropDownList1.Items[i].Value.ToString() == init)
{
DropDownList1.Items[i].Selected = true;
}
}
DropDownList1.Items.Insert(0,new ListItem("选择类别",0));
<asp:GridView ID="GridView1" ShowFooter="false" BorderColor="Black" OnRowDataBound="GridView1_RowDataBound" runat="server" AutoGenerateColumns="False" Font-Size="12px" Width="549px" AllowPaging="True" >
<Columns>
<asp:BoundField DataField="ID" HeaderText="编号" />
<asp:BoundField DataField="EmpBirthday" HeaderText="生日" DataFormatString="{0:yyyy-MM-dd}" HtmlEncode="False" />
&nbs
