У меня есть DropDownList
, для которого я пытаюсь показать div
OnSelectedIndexChanged
, но он говорит OBJECT REQUIRED
.
Я привязываю DataList
к этому div:
ASPX:
<asp:DropDownList runat="server" ID="lstFilePrefix1" AutoPostBack="True"
OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged" >
<asp:ListItem Text="Prefix1" Value="Prefix1" />
<asp:ListItem Text="Prefix2" Value="Prefix2" />
<asp:ListItem Text="Prefix3" Value="Prefix3" />
<asp:ListItem Text="Prefix1 and Prefix2" Value="Prefix1 and Prefix2" />
<asp:ListItem Text="Prefix2 and Prefix3" Value="Prefix2 and Prefix3" />
</asp:DropDownList>
<asp:DataList ID="DataList1" runat="server" RepeatColumns="4"
CssClass="datalist1" OnItemDataBound="SOMENAMEItemBound"
CellSpacing="6" onselectedindexchanged="DataList1_SelectedIndexChanged"
HorizontalAlign="Center" Width="500px">
код позади:
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
if (lstFilePrefix1.SelectedItem.Text=="Prefix2")
{
int TotalRows = this.BindList(1);
this.Prepare_Pager(TotalRows);
Page.ClientScript.RegisterClientScriptBlock(GetType(), "JScript1", "ShowDiv('data');", true);
}
}
JavaScript:
function ShowDiv(obj)
{
var dataDiv = document.getElementById(obj);
dataDiv.style.display = "block";
}
Что я делаю неправильно?