HOW TO COMPARE SYSTEM DATE TO DATE TIME PICKER DATE IN C# VB.NET

HOW TO COMPARE SYSTEM DATE TO DATE TIME PICKER DATE IN C# VB.NET
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private void dateTimePicker1_ValueChanged(object sender, EventArgs e)
{
DateTime da = System.DateTime.Now;
DateTime da1 = Convert.ToDateTime(dateTimePicker1.Text);
int i = DateTime.Compare(da, da1);
MessageBox.Show(i.ToString()); ;

}
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