Using 'both' Paging and Binding with VB.Net SfDataGrid not saving edits.

[andy]

Hi

Thanks for looking in advance, I'm only a hobbyist so sorry for the code :-)

I'm trying to use both Paging and Binding with VB.Net SfDataGrid however my updates are not being saved back to the DB. I'm using the following code:

Imports System.Data.SQLite

Imports Syncfusion.WinForms.DataGrid.Enums

Module Mod_DataBindingDGV

    Public testTable As New DataTable

    Public bindingSource1 As New BindingSource

    Public adapter As New SQLiteDataAdapter

    Public builder As New SQLiteCommandBuilder(adapter)

    Public Sub GetDataGridView(ByVal sqlString As String)

        Dim sqlCommand As String = sqlString

        Dim SQLconnect As New SQLite.SQLiteConnection With {

    .ConnectionString = Mod_SQLConnections.CreateSQLiteConnectionString

        }

        testTable = New DataTable

        SQLconnect.Open()

        adapter = New SQLiteDataAdapter(sqlCommand, SQLconnect)

        adapter.Fill(testTable)

        bindingSource1.DataSource = testTable

        SQLconnect.Close()

        Form1.SfDataGrid1.SuspendLayout()

        Form1.SfDataGrid1.ResumeLayout()

        Form1.SfDataPager1.DataSource = bindingSource1

        Form1.SfDataPager1.PageSize = 5

        Form1.SfDataGrid1.DataSource = Form1.SfDataPager1.PagedSource

        Form1.SfDataGrid1.AllowEditing = True

        Form1.SfDataGrid1.EditMode = EditMode.DoubleClick

    End Sub

On Form1

AddHandler SfDataGrid1.CurrentCellEndEdit, AddressOf sfDataGrid_CurrentCellEndEdit

    Private Sub sfDataGrid_CurrentCellEndEdit(ByVal sender As Object, ByVal e As CurrentCellEndEditEventArgs)

        MessageBox.Show("The editing is completed for the cell (" & e.DataRow.RowIndex & "," & e.DataColumn.ColumnIndex & ")")

    End Sub

The data is loaded as expected and pages correctly, also the edit completed MessageBox fires.

Thanks Andy

[Adhikesevan Kothandaraman]

Hi Andy, 

Thanks for using Syncfusion products. 

By default, while editing the cell or row in the SfDataGrid will update the value only in the view. It will not updated to the underlying data source. If you want to update the source once the field is edited in the grid, you have to manually update the value by calling the update method. Please refer to the following code snippet, 

Code Snippet:  

 //To update the data in the DataSource  

 testTable.AcceptChanges() 

 adapter.Update(testTable) 

 

Regards, 

Adhi 

[andy]

Hi

I got this to work however I had to remove 'SfDataPager' element from the form completely otherwise the adapter.Update(testTable) has no changes. Also I rearranged the order to:

            adapter.Update(testTable)

            testTable.AcceptChanges()

Not sure how I can use 'SfDataPager ' and still use adapter.Update(testTable).

Thanks

Andy

[Adhikesevan Kothandaraman]

Hi Andy, 

 

Regret for the inconvenience caused. 

 

By default, the SfDataPager does not support the DataTable as the DataSource. So that can you please try this with the IEnumerable collections. 

Please find the following UG link for the limitation.  

UG link: https://help.syncfusion.com/windowsforms/sfdatagrid/paging#limitations  

 

Regards, 

Adhi