Remove min and max valu datetimepicker

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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>

What I have tried:

// 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;

Posted 24-Mar-18 10:27am

Goran Bibic

Updated 27-Mar-18 18:09pm

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Comments

Maciej Los 25-Mar-18 14:53pm

Coould you be more specific and provide more details about your issue?
This piece of code explains nothing...

2 solutions

Solution 1

I don't think you can remove totally the default minimum and maximum values for DateTimePicker.
You can however set it to be between whatever value you wish as long as values are between both extremes and the minimum value is not greater than the maximum value.

You may want to use the value of

C#

DateTimePicker.MinDateField

instead of

C#

DateTime.MinValue

as they have separate minimum values.

References:

DateTimePicker.MinDate Property (System.Windows.Forms)[^]

DateTimePicker.MinDateTime Field (System.Windows.Forms)[^]

Posted 27-Mar-18 16:57pm

amsga

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an0ther1 · Accepted Answer · 2018-03-27T18:10:00

The Windows DateTimePicker returns a DateTime value.
DateTime values in C# value types hence cannot be null. Only reference Types can be null.
You can create a Nullable DateTime control - or purchase one of the commercially available ones - refer to the following CodeProject links;
Nullable DateTimePicker[^]
Yet another nullable DateTimePicker control[^]

Kind Regards