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Dataadapter SelectCommand - Sql Server

SqlDataAdapter is a part of the ADO.NET Data Provider. SqlDataAdapter provides the communication between the Dataset and the Data Source with the help of SqlConnection Object .The SqlDataAdapter works with the DataSet to provide a disconnected data retrieval mechanism.

The SelectCommand property of the SqlDataAdapter is a Command object that retrieves data from the data source. The following program shows the SqlDataAdapter using its SelectCommand property to retrieve the data from the Data Source.




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 adapter As New SqlDataAdapter
        Dim ds As New DataSet
        Dim i As Integer
        connetionString = "Data Source=ServerName;Initial Catalog=DatabaseName;User ID=UserName;Password=Password"
        connection = New SqlConnection(connetionString)
        Try
            connection.Open()
            adapter.SelectCommand = New SqlCommand("Your SQL Statement Here", connection)
            adapter.Fill(ds)
            connection.Close()
            For i = 0 To ds.Tables(0).Rows.Count - 1
                MsgBox(ds.Tables(0).Rows(i).Item(1))
            Next
        Catch ex As Exception
            MsgBox(ex.ToString)
        End Try
    End Sub
End Class






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