Display logged in user name in a Title bar in C# winform app

Question

Hi, i wanna display logged in user name in a title bar on every form in my c# winform application. Is it possible?? There are six forms in an application n m using Access-2007 for database storage.

Vulpes · Answer

Put this static field in your login form: internal static string UserName = ""; Now change your checkvaliduser method slightly: public bool checkvaliduser (string a, string b) { string ambi1 = "SELECT * FROM Pword where Usr = '" + a + "' and Pwd = '" + b + "'"; OleDbCommand cmd = new OleDbCommand(ambi1, conn); conn.Open(); OleDbDataReader reader = cmd.ExecuteReader(); if (reader.Read()) { conn.Close(); checklogin = true; UserName = a; return true; } else { conn.Close(); return false; } } Suppose, the class name of the login form is LogIn. The code to write the username to the title bar of each form will now become: string user = "User: " + LogIn.UserName; foreach(Form f in Application.OpenForms) f.Text = user; Notice that the static field will still be available after the LogIn form has been closed. Notice also that if all your 4 forms are not opened at once, you can set the title bar text as you open them individually with code such as this following: SomeForm f = new SomeForm(); f.Text = "User: " + LogIn.UserName; f.Show();

amber · Answer

Thnx so much for your help, Code is working fine!!

amber · Answer

Hi, thnx for help code is working but it's showing my system login user name i have made an application where i hav made a separate login form whenever an application executes it show login form where v enter user and password i want dt user name to be shown in a title bar on all four forms of my application. in my database var for user : Usr var for paswd : Pwd in a passwrd class its method is : public bool checkvaliduser (string a, string b) { string ambi1 = "SELECT * FROM Pword where Usr = '" + a + "' and Pwd = '" + b + "'"; OleDbCommand cmd = new OleDbCommand(ambi1, conn); conn.Open(); OleDbDataReader reader = cmd.ExecuteReader(); if (reader.Read()) { conn.Close(); checklogin = true; return true; } else { conn.Close(); return false; }

Vulpes · Answer

Try this: string user = "User: " + Environment.UserName; foreach(Form f in Application.OpenForms) f.Text = user;

Display logged in user name in a Title bar in C# winform app

Answers (4)