Remove min and max value datetimepicker

Question

After put inside this code

 

// don't convert it to datetime (as you said, it may be null)
 var stringValue = (prijava_radnikaDataGridView.SelectedRows[0].Cells["dataGridViewTextBoxColumn3"].Value);


  var dateValue = string.IsNullOrEmpty(Convert.ToString(stringValue)) ? DateTime.MinValue : Convert.ToDateTime("2018-01-01 00:00:00");

// now, datevalue is the new value for datepicker
   if (string.IsNullOrEmpty(Convert.ToString(stringValue))) vrijemeodjaveDateTimePicker.Value = dateValue;

 

I have error

 

Activated   Event   Time    Duration    Thread
    Exception thrown: 'System.ArgumentOutOfRangeException' in System.Windows.Forms.dll ("Value of '1.1.0001. 00:00:00' is not valid for 'Value'. 'Value' should be between 'MinDate' and 'MaxDate'.")   14.33s      [17640] <No Name>