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Datagrid datasource to table

Posted on 2012-03-12
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Last Modified: 2012-03-12
The following code creates my datagrid.  Then after the user fills out the data grid i want it to go to a table.  To accomplish that i use this
Dim dtnew As New DataTable
            dtnew = dvdataview.Table      
the problem is that the two columns that i add manually (LocationName,AccountName) dont come over.



     If Not lbCompanies.SelectedIndex < 0 Or Not lbDepartmentName.SelectedIndex < 0 Then
                dsadditems = New DataSet
                Dim DT As New DataTable
                With DT.Columns
                    .Add("ItemNumber")
                    .Add("ItemPack")
                    .Add("ItemSize")
                    .Add("ItemDescription")
                    .Add("ItemBrand")
                    .Add("Manufacturer")
                    .Add("UPC")
                    .Add("VendorItemNumber")
                    .Add("ServingsPerCase")
                    .Add("UnitOfMeasure")
                    .Add("PortionCost")
                    .Add("PricePerPound")
                    .Add("CaseCost")
                    .Add("UnitCost")
                End With
                dsadditems.Tables.Add(DT)
                dgadditem.DataSource = dsadditems.Tables(0)
                dvdataview = New DataView(dgadditem.DataSource)
                dgadditem.DataSource = dvdataview
                '' add account name drop box
                Dim accountnamecmb = New DataGridViewComboBoxColumn()
                accountnamecmb.HeaderText = "Account Name"
                accountnamecmb.Name = "AccountName"
                accountnamecmb.MaxDropDownItems = 4
                accountnamecmb.Items.Add("Food Purchases")
                accountnamecmb.Items.Add("Paper & Chemical")
                accountnamecmb.Items.Add("Equipment & Furniture")
                accountnamecmb.Items.Add("Smallwares")
                dgadditem.Columns.Add(accountnamecmb)
                'add a location drop box
                Dim ds As New DataSet
                Dim datest As New OleDb.OleDbDataAdapter("Select ID,departmentcode from departments where department = '" & lbDepartmentName.SelectedItem.ToString & "'", mainform.dbconnection)
                datest.Fill(ds)
                Dim departmentID As Integer = ds.Tables(0).Rows(0).Item(0)
                ds = New DataSet
                datest = New OleDb.OleDbDataAdapter("Select location from locations where departmentID = " & departmentID, mainform.dbconnection)
                datest.Fill(ds)
                Dim jmb As New DataGridViewComboBoxColumn()
                jmb.HeaderText = "Location Name"
                jmb.Name = "LocationName"
                jmb.MaxDropDownItems = ds.Tables(0).Rows.Count
                For Each dr As DataRow In ds.Tables(0).Rows
                    jmb.Items.Add(dr.Item(0))
                Next
                dgadditem.Columns.Add(jmb)


            Else
                MsgBox("You need to select both a company and a department.")
            End If
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Question by:Millkind
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1 Comment
 
LVL 53

Accepted Solution

by:
Dhaest earned 2000 total points
ID: 37709158
I'm afraid that you 'll need to loop over your datagrid to place all the columns into a datatable

Dim dt As DataTable, dr As DataRow

Dim DT As New DataTable
                With DT.Columns
                    .Add("ItemNumber")
                    .Add("ItemPack")
                    .Add("ItemSize")
                    .Add("ItemDescription")
                    .Add("ItemBrand")
                    .Add("Manufacturer")
                    .Add("UPC")
                    .Add("VendorItemNumber")
                    .Add("ServingsPerCase")
                    .Add("UnitOfMeasure")
                    .Add("PortionCost")
                    .Add("PricePerPound")
                    .Add("CaseCost")
                    .Add("UnitCost")
                    .Add("LocationName")
                    .Add("AccountName")
                End With


For i = 0 To datagridview.Rows.Count - 2
dr = dt.NewRow
For j = 0 To datagridview.Columns.Count - 1
dr(j) = datagridview.Rows(i).Cells(j).Value.
Next
dt.Rows.Add(dr)
Next
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