اینم کد:
private void textBox1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
{
try
{
int Year = int.Parse(textBox1.Text.Substring(0, 4));
int Month = int.Parse(textBox1.Text.Substring(5, 2));
int Day = int.Parse(textBox1.Text.Substring(8, 2));
DateTime dt = new DateTime(Year, Month, Day);
System.Globalization.PersianCalendar pc = new PersianCalendar();
string strDate = pc.GetYear(dt).ToString() + "/" + pc.GetMonth(dt).ToString() + "/" + pc.GetDayOfMonth(dt).ToString();
textBox2.Text = strDate;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
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