Hello guys
Can anyone help me with saving my values in my List<int> Numbers after postback. when page is postback the List<int> numbers turn into 0. thats why lblResult.Text will always turn "wrong number!".
I know I need some session or viewstate, but not able to make it work properly.
here is the simple code:
public partial class _Default : System.Web.UI.Page
{
List<int> Numbers = new List<int>();
protected void Page_Load(object sender, EventArgs e)
{
int num1 = generateNumber(10);
int num2 = generateNumber(30);
int sum = calculateNumbers(num1, num2);
Numbers.Add(sum);
lblNum.Text = num1 + " + " + num2 + " = " + sum;
}
protected void btnExecute_Click(object sender, EventArgs e)
{
int input = int.Parse(txtNum.Text);
if (Numbers[0].Equals( ...
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