i am using a class(newuser.cs)for inserting username, the code i had use is below

/* Newuser.cs */
 public class Newuser
{
    SqlConnection sqlcon = new SqlConnection(ConfigurationManager.AppSettings["sqlcon"]);

    public void adduser(insertuser user)
    {
       SqlCommand cmd = new SqlCommand("login",sqlcon);
       cmd.CommandType = CommandType.StoredProcedure;


        cmd.Parameters.Add("@username", SqlDbType.Char);
        cmd.Parameters["@username"].Direction = ParameterDirection.Input;
        cmd.Parameters["username"].Value = user.username;

     }
}


public class insertuser

{
  public string username
        {
            get
            {
                return username;
            }

            set
            {
                username = value;
            }
        }
}

and i am calling this class in the button click event

/* login.aspx.cs */

protected void btnUpdate_Click(object sender, EventArgs e)
    {
        insertuser add = new insertuser();
        add.username = TextBox1.Text;

    }

but after i entered values in textbox1 and once i clicked on button i am getting this error pointing to username=value. and in messagebox :- An unhandled exception of type System.StackOverflowException' occurred in App_Code.dtsq82es.dll

is there anyone to help me to overcome from this problem.please tell me how i can able to get the username to my database.

Thanking you

hi there...

the compiler is right.. you have an stack overflow because you are using the property in a bad way... if you don't store the value of the property in a variable, there will be eternal calls to the property...

this is your property..

username is the name of the property.. and also is where you are storing the new value.. since they have the same name, when you pass a value to username something like this happens..

username get's a value, username call username get property to store it, username get's a value, username call itself (again) get property to store it, and again and again...

you have to store the value in another variable... something like this...

remember that C# is case sensitive...

HTH

Gonzalo

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If you follow a good naming convention, these problems are encountered much less often. A lot of people elect to prefix class scope variables with an underscore. I also like to use some form of prefix notation to make reading the code easier.


-Peter