Disable TextBox When Enter worng Password 3 Times (C#)

Have a session variable and increment it when the password is wrong.

Disable the txtPassword (TextBox) when the session variable ==3

:)

please can u explain more

becuase i am new and not professional

what mean session variable

if u mean

i know that the session variable cant be increased

i cant do this

A Session variable retains the value until its destroyed or the browser is closed.

Refer ASP .NET tutors for more informations.

:)

if u mean

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1. Session ["abc"] =0;

i know that the session variable cant be increased

i cant do this

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1. Session["abc"]+=1;

please read this

But i can do that

Session["LoginAttempt"] = ((int) Session["LoginAttempt"]) + 1;
return (int) Session["LoginAttempt"];

Right ?????

:)

it doesn't work man

i write this

Debug this code line by line. It never works, if you approach like this.

What that mean
if (Datareader1.Read()) ?

Debug and check whether it searches for correct username and password.

:)

it doesn't work man

i write this

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1. protected void Button1_Click(object sender, EventArgs e)
2.     {
3.         Session["LoginAttempt"] = 0;
4.         Datareader1 = MyCom1.ExecuteReader();
5.         if (((int)Session["LoginAttempt"]) != 3)
6.         {
7.             if (Datareader1.Read())
8.             {
9.                 Datareader1.Close();
10.                 DataReader = MyCom.ExecuteReader();
11.                 if (DataReader.Read())
12.                 {
13.                     Response.Redirect("Default.aspx?uname=" + TextBox1.Text);
14.                 }
15.  
16.                 else
17.                 {
18.                     MessageBox.Show("Password Is Wrong", "Wrong Password", MessageBoxButtons.OK, MessageBoxIcon.Error);
19.                     Session["LoginAttempt"] = ((int)Session["LoginAttempt"]) + 1;
20.                 }
21.  
22.             }
23.             else
24.             {
25.                 MessageBox.Show("UserName Is Not Found");
26.  
27.             }
28.         }
29.         else
30.         {
31.             MessageBox.Show("You Login Faild");
32.             TextBox2.Enabled = false;
33.         }
34.         }
35.  
36.     }

DataReader.Read() thats my datareader
and it check if the command is return something from the sql
and this is what containt the datareader1

Datareader1 = MyCom1.ExecuteReader();

And MyCom1 Is

MyCom1 = new SqlCommand("select * from Users where UserName='" + TextBox1.Text + "'", MyCon);

By The Way I asked alot of people who know c# very well

and no body success to resolve this

its too strange :(