Hello friends.
that's gr88 that you people help out alot. My senerio is .. i made data grid form ..where i want ... when i double click on a Invoice no ... or Row in datagrid .. invoice open in new form where i can edit delete, or other opraitons with invoice..
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i know how to edit in same form ... through .. SelectedRows .. method
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Private Sub DataGridView1_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles DataGridView1.DoubleClick
Dim obj As DataGridViewSelectedRowCollection = DataGridView1.SelectedRows
txtHotelId.Text = obj.Item(0).Cells(0).Value
txtHotelName.Text = obj.Item(0).Cells(1).Value
txtContactPerson.Text = obj.Item(0).Cells(2).Value
txtLocation.Text = obj.Item(0).Cells(3).Value
txtPhone.Text = obj.Item(0).Cells(4).Value
TxtFax.Text = obj.Item(0).Cells(5).Value
txtEmail.Text = obj.Item(0).Cells(6).Value
txtAddress.Text = obj.Item(0).Cells(7).Value

End Sub

well , you can do this by declaring a global variable , named invoiceno , and then get the value of invoice from the grid and use that value at the new form load event , for example you have two forms , frmchoose , frmshow, and a global variable name invoiceno. now use this code.

'at the double click of your grid
invoiceno = datagrid.item(0,datagrid.currentrow.index).value.tostring()
frmshow.show()

'now assume you have a query through which you are filtrng records , now do like this
sql = "select * from sales where invoiceno="& invoiceno

may be this will solve your prob
Regards

You went to right direction saleem, but you should only use DataGridViewRow class.
Why? You cannot select more then 1 row, since you only have 1 textBox for each column (so array of rows drops off here).
You can do:

Dim row As DataGridViewRow = dataGridView1.SelectedRows(0)
txtHotelId.Text = row.Cells(0).Value.ToString()
txtHotelName.Text = row.Cells(1).Value.ToString()
txtContactPerson.Text = row.Cells(2).Value.ToString()
txtLocation.Text = row.Cells(3).Value.ToString()
txtPhone.Text = row.Cells(4).Value.ToString()
TxtFax.Text = row.Cells(5).Value.ToString()
txtEmail.Text = row.Cells(6).Value.ToString()
txtAddress.Text = row.Cells(7).Value.ToString()

Mitja Bonca Dear My code working perfect.. but its in same form .. i want to show in a new form ... or dailog box .. :)
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and budnle of thanx for your times brothers ... Waqas and Mitja Bonca

I see, sorry.
On new form put textboxes. On form where DGV is, create an array of data (of selected row) and paste to new form and show data from array in textBoxes.
Exmple:

Dim data() As String = New String((dataGridView1.Columns.Count) - 1) {}
For Each row As DataGridViewRow In dataGridView1.SelectedRows
    Dim i As Integer = 0
    Do While (i < row.Cells.Count)
        data(i) = row.Cells(i).Value.ToString
        i = (i + 1)
    Loop
    Exit For
    'only 1st selected row will be used (you can remove it)
Next
Dim f2 As Form2 = New Form2(data)
'on form2:
Class Form2
    
    Public Sub New(ByVal data() As String)
        MyBase.New
        textBox1.Text = data(0)
        'and so on...
    End Sub
End Class
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