خوب اين خيلي ساده استzahra_k گفت:سلام دوست عزیز
اگه لطف کنی و یکم بیشتر توضیح بدی و یا مثال بزنی ممنون میشم
<%@ Page Language="VB" Debug="True" ContentType="text/html" ResponseEncoding="utf-8" Trace="True" %>
<%@ Import NameSpace="System.Data" %>
<%@ Import Namespace="System.Data.OleDB" %>
<asp:DropDownList id="Color_CAT" runat="server" AutoPostBack="True" OnSelectedIndexChanged="Select_Color">
<asp:ListItem Value="Select" Selected> Select From List</asp:ListItem>
<asp:ListItem Value ="Red">( RED )</asp:ListItem>
<asp:ListItem Value ="Blue">( Blue )</asp:ListItem>
<asp:ListItem Value ="Green">( Green )</asp:ListItem>
</asp:DropDownList>
Public Sub Select_Color(ByVal sender As System.Object, ByVal e As System.EventArgs)
Dim conDB As New OleDBConnection("PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA Source=C:\DATABSE\COLOR.mdb")
Const strSQL = "Update Tabel set Color=@SelectValue Where id=1"
Dim cmdSelect As New OleDBCommand(strSQL, conDB)
cmdSelect.Parameters.Add("@SelectValue", Color_CAT.SelectedValue)
conDB.Open()
cmdSelect.ExecuteNonQuery()
conDB.Clos()
Response.Write("The " + Color_CAT.SelectedValue + " COLOR Has Been Updated")
End Sub