Datagridview Event in C#

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1.00/5 (1 vote)

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Hello friends,

I am working on windows application. IN which I am using datagridview . There is also a checkboxcolumn in datagridview. My need is when I checked the checkboxcell there should be some control enabled and when I unchecked control should be disabled. I am using CellContentClick Event. Should I use something else.

//code

C#

private void dgHelpDesk_CellContentClick(object sender, DataGridViewCellEventArgs e)
       {

           for (int i = 0; i < dgHelpDesk.RowCount; i++)
           {
               if (Convert.ToBoolean(this.dgHelpDesk.Rows[i].Cells["checkboxcolumn"].Value))
               {
                   cbAssigned.Enabled = true;
                   cbStatus.Enabled = true;
                   cbWorkFlow.Enabled = true;

               }

               else
               {
                   cbAssigned.Enabled = false;
                   cbStatus.Enabled = false;
                   cbWorkFlow.Enabled = false;
               }
           }
       }

Posted 20-Mar-13 3:44am

Neetesh Agarwal

Updated 20-Mar-13 4:21am

v4

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Neetesh Agarwal 20-Mar-13 10:23am

If you dont know answer then why you downvote.........

Prasad Khandekar 20-Mar-13 10:24am

Neetesh please have a look at this doc (http://msdn.microsoft.com/en-us/library/system.windows.forms.datagridview.currentcelldirtystatechanged.aspx). It should help you.

Neetesh Agarwal 20-Mar-13 10:28am

Thanks Prasad ji. I am finding this.

Neetesh Agarwal 20-Mar-13 10:52am

Its working fine,,,,,,

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Sergey Alexandrovich Kryukov · Accepted Answer · 2013-03-20T04:24:00

No, you rather need to get an instance of a CheckBox and handle the event CheckBox.CheckedChanged:
http://msdn.microsoft.com/en-us/library/system.windows.forms.checkbox.checkedchanged.aspx[^].

To get a control (to add an event handler to the invocation list of its event instance, as in your case): http://msdn.microsoft.com/en-us/library/system.windows.forms.datagridview.editingcontrol.aspx.

[EDIT]

Okay, as some delicate moment is involved, I'll show you what to do:

C#

void SetupGridViewEditEvents(DataGridView gridView) {
    gridView.CellValueChanged += (sender, eventArgs) => {
        DataGridViewCell cell = gridView.Rows[eventArgs.RowIndex].Cells[eventArgs.ColumnIndex];
        DataGridViewCheckBoxCell checkBoxCell = cell as DataGridViewCheckBoxCell;
        if (checkBoxCell != null) {
            CheckState state = (CheckState)checkBoxCell.Value;
            HandleCellCheckBoxCheckedChanged(
                eventArgs.RowIndex,
                eventArgs.ColumnIndex,
                state);
        } // if checkBoxCell
        //...
    }; // gridView.CellValueChanged
} // SetupGridViewEditEvents

void HandleCellCheckBoxCheckedChanged(int cellRow, int cellColumn, CheckState state) {
    // you handler logic goes here
} // HandleCellCheckBoxCheckedChanged

[EDIT]

Code sample fixed on 3/28/2013. Sorry for the inconvenience.

—SA