SqlDataReader.GetOrdinal : SqlDataReader « System.Data.SqlClient « VB.Net by API

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VB.Net
VB.Net Tutorial
VB.Net by API » System.Data.SqlClient » SqlDataReader 
SqlDataReader.GetOrdinal
  

Imports System
Imports System.Collections
Imports System.Data
Imports System.IO
Imports System.Xml.Serialization
Imports System.Xml
Imports System.Windows.Forms
Imports System.Data.SqlClient


Public Class MainClass
    Shared Dim WithEvents con As SqlConnection

    Shared Sub Main()
        con = New SqlConnection("Server=(local)\SQLEXPRESS;Initial Catalog=MyDatabase;Integrated Security=SSPI"

        Dim cmd As New SqlCommand()

        cmd.CommandText = "SELECT * FROM Employee"
        cmd.Connection = con

        Try
            con.Open()
            Dim reader As SqlDataReader = cmd.ExecuteReader()
            Dim OrderIDIdx As Integer = reader.GetOrdinal("ID")
            'Dim OrderDateIdx As Integer = reader.GetOrdinal("FirstName")
            'Dim OrderFreightIdx As Integer = reader.GetOrdinal("LastName")

            Do
                While reader.Read()
                    Dim OrderID As Integer = reader.GetInt32(OrderIDIdx)
                    'Dim OrderDate As DateTime = reader.GetDateTime(OrderDateIdx)
                    'Dim OrderFreight As Decimal = reader.GetDecimal(OrderFreightIdx)

                    'Console.WriteLine(OrderID & vbTab & OrderDate & vbTab & OrderFreight)
                    Console.WriteLine(OrderID & vbTab )
                End While
            Loop While reader.NextResult()

            reader.Close()
        Finally
            con.Close()
        End Try
    End Sub
End Class

   
    
  
Related examples in the same category
1.SqlDataReader.GetSchemaTable()
2.SqlDataReader.GetString
3.SqlDataReader.NextResult()
4.SqlDataReader.Read()
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