private void AddUserForm_Load(object sender, EventArgs e) { CheckIfTeacher(); // TODO: This line of code loads data into the 'pWDBDataSet.PWDB' table. You can move, or remove it, as needed. //this.pWDBTableAdapter.Fill(this.pWDBDataSet.GetAllData); string TeacherdropSelectCommand = "select TeacherLastName from PWDB group by TeacherLastName"; MLH.FillDropDownList(TeacherdropSelectCommand, ComboTeacherLN, sqlcon); // Group Teacher name }