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how to add tabelbinding.next and previus button dan save editing datagridview?

Imports System.Windows.Forms
Imports DotSpatial.Data
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
    Dim fs As FeatureSet = FeatureSet.Open("C:\data\Jalan Status.shp")
    fs.FillAttributes()
    Dim dtOriginal As DataTable = fs.DataTable
    For row As Integer = 0 To dtOriginal.Rows.Count - 1
        Dim original As Object() = dtOriginal.Rows(row).ItemArray
    Next
    DataGridView.DataSource = dtOriginal
End Sub


Private Sub savebutton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles savebutton.Click
    'cast again the selectedlayer to yourLayer
    Dim fs As FeatureSet = FeatureSet.Open("C:\data\Jalan Status.shp")
    Dim dtOriginal As DataTable = fs.DataTable
    fs.Save()
End Sub
End Class

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