how Select defaultly the gridview first Row

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1. I have a button on click event it show a datagridview which had number of rows

2. i Want to select the first row or second row defaultly so i can navigate the datagrid
through with up and down key.

3. The on Enter key event i want to some selected row details

C#

public frmRoomAvailability(Transactions.frmCheckINNEW objcheckIn)
       {
           objCheckIn = objcheckIn;
           InitializeComponent();
           getdgv();

       }

 public void getdgv()
        {
            DataSet ds = new DataSet();
            ds = DB.ExecuteQuery_SP("SelectAllVacantRoom");
            try
            {
                if (ds.Tables.Count > 0)
                {
                    dgvsvail.DataSource = ds.Tables[0];
                   
                    Generalclass.ROOMID = Convert.ToInt32(ds.Tables[0].Rows[0]["RoomID"].ToString());
                }
            }
            catch (Exception ex) { }
        }

Posted 9-Dec-14 19:36pm

SamsCool

Updated 9-Dec-14 19:39pm

v2

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Maciej Los · Answer 1 · 2014-12-09T19:56:00

Solution 1

The simplest way is:

VB

dgv.Rows[index].Selected = True;

where index for first row is equal to 0 (zero).
Note: there must be at least one row, otherwise the error occurs!

Posted 9-Dec-14 19:56pm

Maciej Los

Comments

SamsCool 10-Dec-14 2:03am

I tried this but not working

public frmRoomAvailability(Transactions.frmCheckINNEW objcheckIn)
{
objCheckIn = objcheckIn;
InitializeComponent();
getdgv();
dgv.Rows[0].Selected = True;

}

like that i used but it's not working.

Maciej Los 10-Dec-14 2:07am

Your DataGridView has name: dgvsvail. So, use proper name in your code!

SamsCool 10-Dec-14 2:03am

then the grid resides in another form which is calling on btn click event.

SamsCool 10-Dec-14 3:58am

ya i used still not working......i think the main reason is that the form is not active on button click it is showing the form and grid only the gridreside form is not active

Maciej Los 10-Dec-14 4:48am

No. This has nothing to do with DataGridView row selection.
How do you call that form?

SamsCool 10-Dec-14 5:00am

by creating obj
code :
Masters.frmRoomAvailability objR = new Masters.frmRoomAvailability(this);
objR.Show();
txtdays.Select();

Maciej Los 10-Dec-14 6:56am

Is this Windows based application?
Sounds like WebControls...

SamsCool 11-Dec-14 0:06am

Ya windows based u need full part of code from btn click to datagrid appear