protected void saveButton_Click(object sender, EventArgs e)
{
Center aCenter = new Center();
aCenter.Name = nameTextBox.Text;
aCenter.DistrictId = Convert.ToInt32(districtDropDownList.SelectedValue);
aCenter.ThanaId = Convert.ToInt32(thanaDropDownList.SelectedValue);
Center center = aCenterManager.Find(aCenter);
if (center == null)
{
aCenterManager.Save(aCenter);
string centerCode = aCenterManager.GenerateRandomNumber(6);
string centerPassword = aCenterManager.GenerateRandomNumber(8);
Center centerFound = aCenterManager.Find(aCenter);
aCenterManager.SaveCenterCodeAndPassword(centerFound.Id, centerCode, centerPassword);
Response.Redirect("CenterInformation.aspx?name=" + centerFound.Name + "&code=" + centerCode + "&password="******"This name already exist.";
}
}