Provide Null Value to a cell in datagridview in winforms

Question

2.00/5 (1 vote)

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.NET3.5

VS2008

, +

Hi all,

I have one datagridview in my windows application which gets date values from database now i want to pass null value to those cell in column[1] who have date value "01-Jan-1900". please tell me how can i do that ?

Posted 1-Feb-12 19:17pm

Aradhana Rajgor

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4 solutions

Solution 1

Nullable datetime column in .NET DataGrid with DateTimePicker[^] should give you some ideas.

Posted 1-Feb-12 19:21pm

Abhinav S

Solution 2

Please explain by code block how to bind your data grid ... ?

Posted 1-Feb-12 19:23pm

Manoj Kumar Choubey

Solution 4

Hi friend,

As i m new to asp .net , i think it is better to write a stored procedure wherever in date column you find the string "01-Jan-1900" update it to NULL.

Posted 1-Feb-12 19:37pm

Rockstar_

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Aradhana Rajgor · Accepted Answer · 2012-02-01T19:35:00

i put below code at rowsAdd event of datagridview and i worked

C#

string datetimevalue = "01/01/1900 12:00:00 AM";
            try
            {
                for (int i = 0; i < dgvRenewalHistory.Rows.Count; i++)
                {
                    if (dgvRenewalHistory.Rows[i].Cells["Renewal_On"].Value.ToString() == datetimevalue)
                    {
                        dgvRenewalHistory.Rows[i].Cells["Renewal_On"].Value = "";
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }