validated if textbox is empty and not empty ,and what is the proper if else statement

[rexchie]

Validated if textbox is empty and not empty ,and what is the proper if else statement:

private void btnSave_Click(object sender, EventArgs e)
{
  if (txtFName.Text == "")
  {
    labelID.Text = "!";
  }
  if (txtLName.Text == "")
  {
    labelLN.Text = "!";
  }
  if (txtMI.Text == "")
  {
    labelMN.Text = "!";
  }
  if (cmbGender.Text == "")
  {
    labelGender.Text = "!";
  }
  if (cmbCollege.Text == "")
  {
    labelCollege.Text = "!";
  }
  if (txtFName.Text == "" || txtLName.Text == "" || txtMI.Text=="" || cmbGender.Text=="" || cmbCollege.Text=="")
  {
                
    MessageBox.Show("Fill up the remaining field/s");
  }

[Frinavale]

What's wrong?
Your code looks fine to me...?

You could use the String.IsNullOr Empty Method or the String.IsNullOr WhiteSpace Method to check if strings contain information...