public string GenerateId(string district, string thana, int thanaId)
{
int numberOfcenter = aCenterManager.GetTotalThana(thanaId);
string code = "";
for (int i = 0; i < 3; i++)
{
code += district[i];
}
for (int i = 0; i < 3; i++)
{
code += thana[i];
}
code += ".";
if (numberOfcenter < 9)
{
code += "00" + (numberOfcenter + 1).ToString();
}
else if (numberOfcenter < 99)
{
code += "0" + (numberOfcenter + 1).ToString();
}
else
{
code += (numberOfcenter + 1).ToString();
}
return(code);
}