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Hi @RAVI,
Is your girdivew data obtained from the database? If so, you can refer to the code below.
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<script>
$(function () {
$("#DropDownList1").change(function () {
document.getElementById('Label1').innerHTML = this.value;
})
})
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DropDownList ID="DropDownList1" runat="server"></asp:DropDownList>
<asp:Label ID="Label1" runat="server"></asp:Label>
<asp:GridView ID="GridView1" runat="server"></asp:GridView>
</div>
</form>
</body>
</html>
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
string constr = ConfigurationManager.ConnectionStrings["ConString"].ConnectionString;
using (SqlConnection con = new SqlConnection(constr))
{
using (SqlCommand cmd = new SqlCommand("SELECT Field1, Field2, Field3 FROM Table_1"))
{
using (SqlDataAdapter sda = new SqlDataAdapter())
{
cmd.Connection = con;
sda.SelectCommand = cmd;
using (DataTable dt = new DataTable())
{
sda.Fill(dt);
GridView1.DataSource = dt;
GridView1.DataBind();
DropDownList1.DataSource = dt;
DropDownList1.DataBind();
DropDownList1.DataValueField = "Field2";
DropDownList1.DataTextField = "Field1";
DropDownList1.DataBind();
DropDownList1.Items.Insert(0, "Select");
}
}
}
}
}
}
Best regards,
Lan Huang
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