How to add new rows in DataView

The DataView provides different views of the data stored in a DataTable. DataViews can be created and configured at both design time and run time . We can create DataView in two ways. Either we can use the DataView constructor, or we can create a reference to the DefaultView property of the DataTable. We can create multiple DataViews for any given DataTable.

We can add new rows in the DataView using AddNew method in the DataView. The following source code shows how to add new row in a DataView . Create a new VB.NET project and drag a DataGridView and a Button on default Form Form1 , and copy and paste the following Source Code on button click event.

Imports System.Data.SqlClient
Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim connetionString As String
        Dim connection As SqlConnection
        Dim command As SqlCommand
        Dim adapter As New SqlDataAdapter
        Dim ds As New DataSet
        Dim dv As DataView
        Dim sql As String
		connetionString = "Data Source=ServerName;Initial Catalog=DatabaseName;User ID=UserName;Password=Password"
        sql = "Select  * from product"
        connection = New SqlConnection(connetionString)
            command = New SqlCommand(sql, connection)
            adapter.SelectCommand = command
            adapter.Fill(ds, "Add New")

            dv = New DataView(ds.Tables(0))
            Dim newRow As DataRowView = dv.AddNew()
            newRow("Product_ID") = 7
            newRow("Product_Name") = "Product 7"
            newRow("Product_Price") = 111
            dv.Sort = "product_id"

            DataGridView1.DataSource = dv

        Catch ex As Exception
        End Try
    End Sub
End Class (C) 2021    Founded by raps mk
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