protected void uiButtonUpdate_Click(object sender, EventArgs e)
{
DBLayer db = new DBLayer();
if (CurrentCourse != 0)
{
db.UpdateCourse(CurrentCourse, Convert.ToInt32(uiTextBoxMaxGrade.Text), Convert.ToInt32(uiTextBoxMinGrade.Text), uiTextBoxEnName.Text, uiTextBoxArName.Text,Convert.ToInt32(uiDropDownListClasses.SelectedValue), uiCheckBoxInTotal.Checked);
}
else
{
db.AddCourse(Convert.ToInt32(uiTextBoxMaxGrade.Text), Convert.ToInt32(uiTextBoxMinGrade.Text), uiTextBoxEnName.Text, uiTextBoxArName.Text, Convert.ToInt32(uiDropDownListClasses.SelectedValue), uiCheckBoxInTotal.Checked);
}
CurrentCourse = 0;
uiPanelCurrentCourses.Visible = true;
uiPanelCurrent.Visible = false;
BindData();
}