Right click and select datagridview row

May 17, 2008 12:11pm pdt

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02.09.2008 at 04:44PM PST, ID: 23150767

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7.8

Right click and select datagridview row

Zone: Microsoft Visual Basic.Net

I have a datagridview with a context menu strip attached. When a user selects a row and right clicks they get a menu to perform a task. Why do they have to left click a row to select before right clicking to perform the menu task. How do i fix this?

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Question Stats

Zone: Programming

Question Asked By: wiswalld

Solution Provided By: jpaulino

Participating Experts: 2

Solution Grade: A

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02.09.2008 at 04:52PM PST, ID: 20859439

Rank: Sage

jpaulino:

Hi wiswalld,

Do you have the context menu set it on the datagridview properties ?

02.09.2008 at 05:07PM PST, ID: 20859496

wiswalld:

Yes

This is the code I run with one of the menu items from the context menu strip:

Private Sub AssignUnitToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AssignUnitToolStripMenuItem.Click

Dim dr As DataRow = Me._CAD_050107DataSet.Tables("assignedvehicles").NewRow
'Put values into row
dr(1) = EventNumber.Text
dr(2) = DataGridView1.CurrentRow.Cells(5).Value.ToString
dr(3) = DataGridView1.CurrentRow.Cells(2).Value.ToString
dr(4) = DataGridView1.CurrentRow.Cells(3).Value.ToString
Me.DataGridView1.CurrentRow.Cells(7).Value = "No"
Me.DataGridView1.CurrentRow.Cells(7).Style.BackColor() = Color.Red
'and so on, making sure you put values in any ...
'... fields/columns that do not allow null
Me._CAD_050107DataSet.Tables("assignedvehicles").Rows.Add(dr)
Me.DataGridView1.CurrentRow.Cells(7).Value = "No"
Me.DataGridView1.CurrentRow.Cells(7).Style.BackColor() = Color.Red
Me.Validate()
Me.AssignedVehiclesBindingSource.EndEdit()
Me.DataGridView2.EndEdit()
Me.AssignedVehiclesTableAdapter.Update(Me._CAD_050107DataSet.AssignedVehicles)
UpdateDataBase()

End Sub

02.09.2008 at 05:19PM PST, ID: 20859532

Rank: Sage

jpaulino:

Well normally, without any code, you cannot select a datagridview cell with the right click. So you have to select first the cell and then call the contex menu.

Try this:

Private Sub DataGridView1_MouseUp(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles DataGridView1.MouseUp
If e.Button = Windows.Forms.MouseButtons.Right Then

Dim hti As DataGridView.HitTestInfo = DataGridView1.HitTest(e.X, e.Y)
If hti.Type = DataGridViewHitTestType.Cell And hti.RowIndex >= 0 Then

' Selects the datagridview cell
DataGridView1.CurrentCell = DataGridView1(hti.ColumnIndex, hti.RowIndex)

' Show the context menu
ContextMenuStrip1.Show(Me.DataGridView1, New Point(e.X, e.Y))

End If

End If
End Sub

Accepted Solution

02.09.2008 at 05:23PM PST, ID: 20859551

wiswalld:

Shows menu strip but does not hightlight row.

02.09.2008 at 05:27PM PST, ID: 20859567

Rank: Sage

jpaulino:

>> Shows menu strip but does not hightlight row.
But hightlight the cell, right ?

02.09.2008 at 05:36PM PST, ID: 20859610

wiswalld:

Yes. I didn't try that. I am trying to figure out how to highlight the row by right clicking the datagridview border. Is that possible?

02.09.2008 at 05:43PM PST, ID: 20859632

Rank: Sage

jpaulino:

Sure:

Private Sub DataGridView1_MouseUp(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles DataGridView1.MouseUp
If e.Button = Windows.Forms.MouseButtons.Right Then

Dim hti As DataGridView.HitTestInfo = DataGridView1.HitTest(e.X, e.Y)
If hti.Type = DataGridViewHitTestType.RowHeader And hti.RowIndex >= 0 Then

' Selects the datagridview row
DataGridView1.Rows(hti.RowIndex).Selected = True

' Show the context menu
ContextMenuStrip1.Show(Me.DataGridView1, New Point(e.X, e.Y))

End If

End If
End Sub

02.09.2008 at 05:51PM PST, ID: 20859671

wiswalld:

The only problem I have is when I open the form the first row first cell is highlighted and if I right click the second row it highlights fine but copies the first row not the second row.

02.09.2008 at 05:56PM PST, ID: 20859693

Rank: Sage

jpaulino:

Ok I see ... no problem. Try this:

Private Sub DataGridView1_MouseUp(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles DataGridView1.MouseUp
If e.Button = Windows.Forms.MouseButtons.Right Then

Dim hti As DataGridView.HitTestInfo = DataGridView1.HitTest(e.X, e.Y)
If hti.Type = DataGridViewHitTestType.RowHeader And hti.RowIndex >= 0 Then

' Clears other selections
For Each row As DataGridViewRow In DataGridView1.Rows
DataGridView1.Rows(row.Index).Selected = False
Next

' Selects the datagridview row
DataGridView1.Rows(hti.RowIndex).Selected = True

' Show the context menu
ContextMenuStrip1.Show(Me.DataGridView1, New Point(e.X, e.Y))

End If

End If
End Sub

02.09.2008 at 06:02PM PST, ID: 20859705

wiswalld:

Getting really warm. Highlight the selected row without highlighting the first cell in the first row but still copies the first row unless I left click the second row first.

I can hide the row header and just use the first suggestion but was trying to avoid that.

02.09.2008 at 06:06PM PST, ID: 20859719

Rank: Sage

jpaulino:

>> Getting really warm. Highlight the selected row without highlighting the first cell in the first row but still copies the first row unless I left click the second row first.

thats probably because that cell is in edit mode.

Add this before the for each loop

DataGridView1.EndEdit()

02.09.2008 at 06:13PM PST, ID: 20859739

Rank: Sage

jpaulino:

Sorry I have to leave now for some hours. I will check latter if it's already solved or if you still need help.

02.09.2008 at 06:14PM PST, ID: 20859744

wiswalld:

>>Add this before the for each loop

Not sure what you mean.

02.09.2008 at 06:21PM PST, ID: 20859756

wiswalld:

I am going to bed. Check back tomorrow.

02.10.2008 at 02:05AM PST, ID: 20860678

Rank: Sage

jpaulino:

This way:

Private Sub DataGridView1_MouseUp(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles DataGridView1.MouseUp
If e.Button = Windows.Forms.MouseButtons.Right Then

Dim hti As DataGridView.HitTestInfo = DataGridView1.HitTest(e.X, e.Y)
If hti.Type = DataGridViewHitTestType.RowHeader And hti.RowIndex >= 0 Then

DataGridView1.EndEdit()

' Clears other selections
For Each row As DataGridViewRow In DataGridView1.Rows
DataGridView1.Rows(row.Index).Selected = False
Next

' Selects the datagridview row
DataGridView1.Rows(hti.RowIndex).Selected = True

' Show the context menu
ContextMenuStrip1.Show(Me.DataGridView1, New Point(e.X, e.Y))

End If

End If
End Sub

02.11.2008 at 04:00PM PST, ID: 20871524

wiswalld:

It is succesfully highlighting the row I want with a right click but still copying the first row not the selected row.

02.11.2008 at 04:00PM PST, ID: 20871528

wiswalld:

I appreciate the help but looks like I may have to go with the first choice and eliminate the row header and select the cell. Didn't really want to do that.

ab_khadilkar

03.06.2008 at 03:11AM PST, ID: 21059038

This is code for c#

This works, although you might need some more error-checking and it only selects the cell It also assign context menu to that cell

But, here's what I did. In the event handler for the Grid's CellMouseDown event, put this code (hopefully you won't mind C# code here ... it should be an easy translation for you):

         
             private void DataGridView1_CellMouseDown(object sender, DataGridViewCellMouseEventArgs e)
        {dataGridView1.CurrentCell = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex];
 
ContextMenu.Show(DataGridView1, new Point(e.RowIndex, e.ColumnIndex));
 
}

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