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help using dataviewgrid for selected items on form

Posted on 2010-09-22
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Last Modified: 2012-05-10
Hi,
   I am creating an EPOS system and I have a series of buttons on my form.  When someone clicks a button I want the following to be added under columns on the dataviewgrid1 component:

Description
Quantity
Price
Vat

Then when another button is clicked, on another line the new item etc

How can I do this?

Thanks
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Question by:damianb123
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Expert Comment

by:John (Yiannis) Toutountzoglou
ID: 33733594
Hi.
You mean DatagridView?
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Author Comment

by:damianb123
ID: 33733611
Yup - sorry!!!
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LVL 18

Expert Comment

by:John (Yiannis) Toutountzoglou
ID: 33733692
try this in form LoadEvent...(if i understand well)
 Dim txt1, txt2, txt3, txt4 As New DataGridViewTextBoxColumn
        txt1.Name = "Description"
        txt2.Name = "Quantity"
        txt3.Name = "Price"
        txt4.Name = "Vat"

        Me.DataGridView1.Columns.Insert(0, txt1)
        Me.DataGridView1.Columns.Insert(1, txt2)
        Me.DataGridView1.Columns.Insert(2, txt3)
        Me.DataGridView1.Columns.Insert(3, txt4)

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Author Comment

by:damianb123
ID: 33733767
jtoutou,
    that works great, thanks.  Now what i need to do is have the system so that when a button is clicked the details are added to the form.....  This is the code I used on a previous project, however the description was only piped to a txt box and not multiple columns.  
Multiple buttons need to be capable of adding multiple rows.....

Thanks
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LVL 18

Expert Comment

by:John (Yiannis) Toutountzoglou
ID: 33734462
Sorry for the delay .....ok we have the column ....now for the cells....
 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim dgvRow As New DataGridViewRow
        Dim dgvCell As DataGridViewCell

        dgvCell = New DataGridViewTextBoxCell()
        dgvCell.Value = "SomeDescription"
        dgvRow.Cells.Add(dgvCell)

        dgvCell = New DataGridViewTextBoxCell()
        dgvCell.Value = "SomeQuantity"
        dgvRow.Cells.Add(dgvCell)

        dgvCell = New DataGridViewTextBoxCell()
        dgvCell.Value = "SomePrice"
        dgvRow.Cells.Add(dgvCell)

        dgvCell = New DataGridViewTextBoxCell()
        dgvCell.Value = "SomeVat"
        dgvRow.Cells.Add(dgvCell)

        DataGridView1.Rows.Add(dgvRow)

    End Sub

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Accepted Solution

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John (Yiannis) Toutountzoglou earned 500 total points
ID: 33734919
And just a note:Rows cannot be added programatically to the datagridview's collection when control is databound!!!!!we are talking now about custom Datagridview.....


in this case lets say we have to buttons....just do the same job with defferent text...
 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim dgvRow As New DataGridViewRow
        Dim dgvCell As DataGridViewCell

        dgvCell = New DataGridViewTextBoxCell()
        dgvCell.Value = "SomeDescription"
        dgvRow.Cells.Add(dgvCell)

        dgvCell = New DataGridViewTextBoxCell()
        dgvCell.Value = "SomeQuantity"
        dgvRow.Cells.Add(dgvCell)

        dgvCell = New DataGridViewTextBoxCell()
        dgvCell.Value = "SomePrice"
        dgvRow.Cells.Add(dgvCell)

        dgvCell = New DataGridViewTextBoxCell()
        dgvCell.Value = "SomeVat"
        dgvRow.Cells.Add(dgvCell)

      
        Me.DataGridView1.Rows.Add(dgvRow)

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim dgvRow As New DataGridViewRow
        Dim dgvCell As DataGridViewCell

        dgvCell = New DataGridViewTextBoxCell()
        dgvCell.Value = "SomeDescription2"
        dgvRow.Cells.Add(dgvCell)

        dgvCell = New DataGridViewTextBoxCell()
        dgvCell.Value = "SomeQuantity2"
        dgvRow.Cells.Add(dgvCell)

        dgvCell = New DataGridViewTextBoxCell()
        dgvCell.Value = "SomePrice2"
        dgvRow.Cells.Add(dgvCell)

        dgvCell = New DataGridViewTextBoxCell()
        dgvCell.Value = "SomeVat2"
        dgvRow.Cells.Add(dgvCell)


        Me.DataGridView1.Rows.Add(dgvRow)
    End Sub

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Author Closing Comment

by:damianb123
ID: 33781408
This worked perfectly, thanks very much for all your help!
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LVL 18

Expert Comment

by:John (Yiannis) Toutountzoglou
ID: 33782052
very welcome.....very glad helping you
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