with combobox telerik
so i do this
RadComboBox1.DataSource = blogOp.get_All_Tags();
RadComboBox1.DataTextField = "tagName";
RadComboBox1.DataValueField = "tagId";
RadComboBox1.DataBind();
in my sourcecode
<telerik:radcombobox id="RadComboBox1" runat="server" autocompleteseparator="/" filter="StartsWith" itemsperrequest="5" xmlns:telerik="#unknown">
</telerik:radcombobox>
i couldent to use telerik controls
so thanks every one