Get Colunm Data type : Table Column « Database ADO.net « VB.Net

Home
VB.Net
1.2D
2.Application
3.Class
4.Data Structure
5.Data Types
6.Database ADO.net
7.Development
8.Event
9.File Directory
10.Generics
11.GUI
12.Language Basics
13.LINQ
14.Network Remote
15.Security
16.Thread
17.Windows Presentation Foundation
18.Windows System
19.XML
20.XML LINQ
VB.Net Tutorial
VB.Net by API
VB.Net » Database ADO.net » Table ColumnScreenshots 
Get Colunm Data type
Get Colunm Data type

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 ID,  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()

         ' Get column data types
         Console.WriteLine("Data types: {0} | {1}", _
            thisReader.GetDataTypeName(0).PadLeft(13), _
            thisReader.GetDataTypeName(1))


         '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

           
       
Related examples in the same category
1.Get table column NameGet table column Name
2.Read Table data by Table Column NameRead Table data by Table Column Name
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.