Mega Code Archive
Use Convert ToInt32 to convert input value in asp
<![CDATA[
<%@ Page Language="C#" %>
<script runat="server">
void btSubmit_Click(Object Sender, EventArgs e) {
lblMessage.Text = (Convert.ToInt32(tbNumber1.Text) * Convert.ToInt32(tbNumber2.Text)).ToString();
}
</script>
<HTML>
<HEAD>
</HEAD>
<BODY>
<form runat="server">
Number 1: <asp:textbox id="tbNumber1" runat=server/>
Number 2: <asp:textbox id="tbNumber2" runat=server/>
<asp:button id="btSubmit" Text="Submit" OnClick="btSubmit_Click" runat=server/>
<asp:label id="lblMessage" font-size="20pt" runat=server/>
</form>
</BODY>
</HTML>
]]>