How to lock datagridview?

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I've created form containing Datagridview.
The Datagridview contains "Start Time" and "End Time" columns for employees for every month.
I want to prevent user from insert any row to datagridview at past months.
How can I achive that?

Posted 29-Sep-14 2:56am

firaso2014

Updated 29-Sep-14 3:39am

Leo Chapiro

v3

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Sinisa Hajnal 29-Sep-14 9:21am

Just to clarify: you have the grid that users can normally edit as part of their work? And you want to enable editing only for the current month?

KaushalJB 29-Sep-14 9:27am

Post your code side gridview where you bind it...or you can refer this link http://forums.asp.net/t/1527401.aspx?disable+gridview+column

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Leo Chapiro · Answer 1 · 2014-09-29T03:46:00

Solution 1

You can check in e.g. SelectionChanged whether the row belongs to the past months and if yes just set DataGridView.AllowUserToAddRows Property[^] to false.

Don't forget to set it to true in case you want to allow the adding of the row :)

Posted 29-Sep-14 3:46am

Leo Chapiro

Updated 29-Sep-14 3:47am

v3

Yemi Dicy · Answer 2 · 2014-09-29T03:48:00

Solution 2

I believe what you want to achieve is to make only certain columns read only. This could be done as so..

C#

dataGridView1.Columns["pastmonth"].ReadOnly = true;

Posted 29-Sep-14 3:48am

Yemi Dicy

Samatha Reddy G · Answer 3 · 2014-09-30T03:54:00

 You need to write this code in onRowDataBoundEvent

protected void grd_OnRowDataBound(object sender, GridviewEventArgs e)
{
DateTime lblEndDate = IRDateUtils.ConvertToDate(End Time); 
                DateTime currentDate = IRDateUtils.ConvertToLocal(Convert.ToDateTime(DateTime.Now.ToShortDateString()));

       if (lblEndDate < currentDate) // here we are comparing end time with current time
         {
              // here show an alert you cant edit this record because time is expired
         }
}