private void FillGradesCombo()
{
GradeRepository gradeRepository = new GradeRepository();
List <GradeModel> gradesList = new List <GradeModel>();
try
{
DataTable dataTable = gradeRepository.GetAllGrades();
gradesList = TranslateDataTableToGradeModel(dataTable);
}
catch (Exception ex)
{
MessageBox.Show("Network error...Please try again!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
this.cmbGrades.SelectedIndexChanged -= new EventHandler(cmbGrades_SelectedIndexChanged);
BindingSource bs = new BindingSource();
bs.DataSource = gradesList;
cmbGrades.ValueMember = "GradeID";
cmbGrades.DisplayMember = "GradeName";
cmbGrades.DataSource = bs;
cmbGrades.SelectedIndex = -1;
this.cmbGrades.SelectedIndexChanged += new EventHandler(cmbGrades_SelectedIndexChanged);
}
private void FillGradesCombo(long gradeID)
{
GradeRepository gradeRepository = new GradeRepository();
List <GradeModel> gradeModels = new List <GradeModel>();
DataTable dataTable = new DataTable();
try
{
dataTable = gradeRepository.GetAllGrades();
gradeModels = TranslateDataTableToGradeModel(dataTable);
}
catch (Exception ex)
{
MessageBox.Show("Network error...Please try again!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
dataTable.Clear();
dataTable = null;
}
this.cmbGrades.SelectedIndexChanged -= new EventHandler(cmbGrades_SelectedIndexChanged);
BindingSource bs = new BindingSource();
bs.DataSource = gradeModels;
cmbGrades.ValueMember = "GradeID";
cmbGrades.DisplayMember = "GradeName";
cmbGrades.DataSource = bs;
if (gradeID > 0)
{
cmbGrades.SelectedValue = gradeID;
}
else
{
cmbGrades.SelectedIndex = -1;
}
this.cmbGrades.SelectedIndexChanged += new EventHandler(cmbGrades_SelectedIndexChanged);
if (_lessonPlannerID > 0)
{
cmbGrades.Enabled = false;
}
}