Use column name to index data : SqlDataReader « Database ADO.net « VB.Net






Use column name to index data

Use column name to index data
 
Imports System
Imports System.Data
Imports System.Data.SqlClient


public class MainClass
   Shared Sub Main()
      Dim thisConnection As New SqlConnection("server=(local)\SQLEXPRESS;" & _
          "integrated security=sspi;database=MyDatabase")

      'Sql Query 1
      Dim sql As String ="SELECT FirstName, LastName FROM Employee;  "

      'Create Command object
      Dim thisCommand As New SqlCommand _
         (sql, thisConnection)

      Try
         ' Open Connection
         thisConnection.Open()
         Console.WriteLine("Connection Opened")

         ' Execute Query
         Dim thisReader As SqlDataReader = thisCommand.ExecuteReader()

         Console.WriteLine("{0}  {1}", _
            "First Name".PadLeft(25), _
            "Last Name".PadLeft(25))

         While (thisReader.Read())
            Console.WriteLine("{0} | {1}", _
               thisReader("FirstName").ToString().PadLeft(25), _
               thisReader("LastName").ToString().PadLeft(25))
         End While

         'Close DataReader
         thisReader.Close()

      Catch ex As SqlException
         ' Display error
         Console.WriteLine("Error: " & ex.ToString())
      Finally
         ' Close Connection
         thisConnection.Close()
         Console.WriteLine("Connection Closed")

      End Try
   End Sub
End Class

           
         
  








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