سؤال فى Dropdownlist

هذا هو الكود المطلوب

<asp:DropDownList ID="EmployeesDropDownList" runat="server" DataSourceID="EmployeesDataSource"
	  DataTextField="EmployeeName" DataValueField="EmployeeId" AppendDataBoundItems="true">
	  <asp:ListItem Text="من فضلك اختر موظفا" Selected="True" Value="0">
	  </asp:ListItem>
</asp:DropDownList>

<asp:SqlDataSource ID="EmployeesDataSource" runat="server" ConnectionString="<%$ ConnectionStrings:siteconnstring %>"
	  SelectCommand="SELECT [EmployeeID], [EmployeeName] FROM [Employees] ORDER BY EmployeeName">
</asp:SqlDataSource>

أتمنى أن أكون قد أفدتك ..