Copy checked rows from Datagridview1 to Datagridview2

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Hello Experts,

I have datagridview with a Checkbox column in it. I want to copy the checked rows into Datagridview2. I am able to copy the rows but my code is copying the checkbox column's Header Text Select and its value as True. Could you please tell me how to copy the checked rows into Datagridview2 without the checkboxColumn

DataGridView2.Columns.Clear()
      DataGridView2.DataSource = Nothing
     

      'Copy the selected rows from datagridview 1 
      Dim dt As New DataTable
      For Each col As DataGridViewColumn In dgvShow.Columns
        If Not col.HeaderText.Contains("Select") Then
          dt.Columns.Add(col.HeaderText)
        End If
      Next
      Dim selectedRows As List(Of DataGridViewRow) = (From row In dgvShow.Rows.Cast(Of DataGridViewRow)() Where Convert.ToBoolean(row.Cells("checkBoxColumn").Value) = True).ToList()

      For Each row As DataGridViewRow In selectedRows
        Dim dRow As DataRow = dt.NewRow()
        For Each cell As DataGridViewCell In row.Cells
          If Not cell.Value.ToString().Contains("Select") Then
            dRow(cell.ColumnIndex) = cell.Value
          End If

        Next
        dt.Rows.Add(dRow)
      Next

      DataGridView2.DataSource = dt
      Dim checkBoxColumn As New DataGridViewCheckBoxColumn()
      checkBoxColumn.HeaderText = "Select"
      checkBoxColumn.Width = 40
      checkBoxColumn.Name = "checkBoxColumn"
      DataGridView2.Columns.Insert(0, checkBoxColumn)

Please help in achieving the above

Posted 15-Apr-15 9:56am

sudevsu

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2 solutions

Solution 1

I'd suggest to read this: Linq to datagridview in VB.Net[^]. Author proposes to use extension method, but i think it's possible to achieve in a simpler manner:

VB

'get selected rows from dgv1 as a list of DataGridViewRow
Dim selectedRows As List(Of DataGridViewRow) = (From row In dgvShow.Rows.Cast(Of DataGridViewRow)() _
    Where row.Cells("checkBoxColumn").Value _
    Select New DataGridViewRow With
    {
       're-write columns, skip checkBoxColumn
    }).ToList()
'add new rows to DataGridView2
DataGridView2.DataSource = selectedRows.Clone()

Note: Not tested!

Please, let me know if it works for you or not.

Posted 15-Apr-15 10:57am

Maciej Los

Updated 15-Apr-15 11:05am

v2

Comments

sudevsu 15-Apr-15 16:59pm

Thanks you Maciej. I don't know if you have seen my code above. I have used LINQ. Please read my complete question and explanation. I knew you gave your solution based on the first line

Maciej Los 15-Apr-15 17:04pm

:)You wrote: how to copy the checked rows into Datagridview2 without the checkboxColumn
I had read your question carefully. As you can see, i use Select New ... With {}. I'd suggest to to re-write columns which you want to add to DGV2, skipping checkBoxColumn.

sudevsu 16-Apr-15 8:51am

Thank you Macheij. I tried the way you said. But it didn't help.

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sudevsu · Accepted Answer · 2015-04-16T05:43:00

Here is my code to copy the selected Rows from Datagridview1 to Datagridview2

Try
      Dim selectedRows As List(Of DataGridViewRow) = (From row In dgvShow.Rows.Cast(Of DataGridViewRow)() Where Convert.ToBoolean(row.Cells("checkBoxColumn").Value) = True).ToList()
      If selectedRows.Count > 0 Then
        If DataGridView2.Columns.Count < 0 Then
          For Each c As DataGridViewColumn In dgvShow.Columns
            DataGridView2.Columns.Add(TryCast(c.Clone(), DataGridViewColumn))
          Next
        End If
       

        For Each r As DataGridViewRow In selectedRows
          Dim index As Integer = DataGridView2.Rows.Add(TryCast(r.Clone(), DataGridViewRow))
          For Each o As DataGridViewCell In r.Cells
            DataGridView2.Rows(index).Cells(o.ColumnIndex).Value = o.Value
            r.Cells(0).Value = False
          Next

        Next
      End If
    Catch ex As Exception
      MessageBox.Show(ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1)
    End Try