Posted on: 6/15/2015 12:07:49 AM | Views : 629

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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