@user3174595 : I have put in the simple code. its the easiest operation that can be performed.
form1.aspx
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" /><br />
<asp:Label ID="Label1" runat="server" Text="0" ></asp:Label>
</div>
</form>
form1.aspx.cs
public partial class addition : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
double userValue = 0;
if (double.TryParse(TextBox1.Text,out userValue))
{
Label1.Text = (double.Parse(Label1.Text) + userValue).ToString();
}
}
}
1
solved how to perform addition using a textbox [closed]