Type only numeric value in particular column's cells of datagridview in vb.net

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I had taken one datagridview as dgv1
In that add one column as Day
I want a user can type only numeric value in column's cells.
how can do that?

Posted 4-May-11 3:07am

BindassFrind

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Sandeep Mewara 4-May-11 10:43am

Tried anything? Even a search here at CP would had given you similar discussed questions.

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Prasanta_Prince · Answer 1 · 2011-05-04T03:47:00

you can set filter text of ajax. to do that.

<cc1:FilteredTextBoxExtender ID="FilteredTextBoxExtender4" runat="server" FilterType="Numbers"
                                                            TargetControlID="txtNo">
                                                        </cc1:FilteredTextBoxExtender>

TrustTheMath · Answer 2 · 2011-05-04T04:32:00

The following assumes a form with a datagridview having one column named "Day." The Form_Load sets the column to have a ValueType of "Integer"; if a non-integer is entered, the DataError method catches that and I open a MsgBox. I also added a check for the Day number to force it to be between 1 and 31 -- the check is done when the CellValueChanged method fires.

Public Class Form1
Dim ex As System.Windows.Forms.DataGridViewDataErrorEventArgs
Private Sub DataGridView1_CellValueChanged( _
ByVal sender As System.Object, _
ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) _
Handles DataGridView1.CellValueChanged
If e.RowIndex >= 0 Then
If DataGridView1.Rows(e.RowIndex).Cells("Day").Value < 1 _
Or DataGridView1.Rows(e.RowIndex).Cells("Day").Value > 31 Then
DataGridView1_DataError(Me, ex)
DataGridView1.CancelEdit()
End If
End If
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
DataGridView1.Columns("Day").ValueType = GetType(Integer)
Show()
End Sub
Private Sub DataGridView1_DataError( _
ByVal sender As System.Object, _
ByVal e As System.Windows.Forms.DataGridViewDataErrorEventArgs) _
Handles DataGridView1.DataError
MsgBox("An input error occurred. The cell you are editing " _
& "only allows NUMERIC values; please correct.", _
MsgBoxStyle.Information + MsgBoxStyle.OkOnly, "Oops!")
End Sub
End Class

Type only numeric value in particular column's cells of datagridview in vb.net

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