asp .net code to bring the database table value to the text box

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sir i need the asp .net coding in vb that if i select the one or more drop down list box the text also should display the values from the database as related to that drop down list box could u help me

Posted 29-Jul-12 23:20pm

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vangapally Naveen Kumar · Answer 1 · 2012-07-29T23:29:00

try like this
create a drop down in aspx page and create a SelectedIndexChanged
event for that dropdownlist then assign dropdownlist value to textbox
like

VB

Protected Sub DropDownList1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles DropDownList1.SelectedIndexChanged
       TextBox1.Text = DropDownList1.SelectedItem.Text
   End Sub

and set autopostback= true for dropdownlist
like

XML

<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True">
            <asp:ListItem>12</asp:ListItem>
            <asp:ListItem>3</asp:ListItem>
            <asp:ListItem>5</asp:ListItem>
        </asp:DropDownList>