C#

benjamin yap wrote:

How do i create an instance of the adapter

dsTablesTableAdapters.staffTableAdapter sa = new EBMS.dsTablesTableAdapters.staffTableAdapter();

sa.ValidateLogin()

dsTables.staffDataTables dataTable,string nric,string password

string result = sa.ValidateLogin(txtUsername.Text, txtPassword.Text);
MessageBox.Show(result.ToString());

private bool catManager;
private bool inventManager;
private bool orderManager;
private bool administrator;
private bool user;

benjamin yap wrote:

If i enter a wrong username and password, the whole program ended and point to my code and says, NullReferenceException was unhandled.

benjamin yap wrote:

how do i do that?

dsTablesTableAdapters.staffTableAdapter sa = new dsTablesTableAdapters.staffTableAdapter();
try
{
    string result = sa.ValidateLogin(txtUsername.Text, txtPassword.Text);
    MessageBox.Show(result[2].ToString());
    this.DialogResult = DialogResult.OK;

benjamin yap wrote:

sa.ValidateLogin(txtUsername.Text, txtPassword.Text);

public void ButtonClickHandler(Object sender, EventArgs args)
{
   requestStopThread = true; // this is a volatile bool variable
}

while(!requestStopThread)
{
   // do some stuff, terminate otherwise
}

// do something
...

if(requestStopThread)
   // terminate

// do something
...