Register Register Member Login Member Login Member Login Forgot Password ??
PHP , ASP , ASP.NET, VB.NET, C#, Java , jQuery , Android , iOS , Windows Phone
 

Registered : 107,644

HOME > ASP.NET > ASP.NET MySQL (MySql.Data.MySqlClient) > ASP.NET MySQL Database Class (Visual Studio .Net 2003 - .NET 1.1)





Clound SSD Virtual Server

ASP.NET MySQL Database Class (Visual Studio .Net 2003 - .NET 1.1)

ASP.NET MySQL Database Class (Visual Studio .Net 2003 - .NET 1.1) สำหรับ Database Class ตัวนี้เป็นของ Framework 1.1 ซึ่งผมได้พัฒนาบน Visual Studio .Net 2003 เหมาะสมกับผู้ที่ต้องการสร้าง Database Class ไว้สำหรับจัดการฐานข้อมูล MySQL ซึ่งผมได้ทำการออกแบบไว้มีฟังก์ชั่นที่ครบครับ สามารถทำการ เพิ่ม/ลบ/แก้ไข/อ่าน ข้อมูลจากฐานข้อมูลได้อย่างง่ายดายครับ

Instance NameSpace

VB.NET
Imports System.Data 
Imports MySql.Data.MySqlClient 


ASP.NET & MySql.Data.MySqlClient

Language Code : VB.NET || C#

clsDatabase.vb

Imports System.Data
Imports MySql.Data.MySqlClient
Imports System.Configuration
Public Class clsDatabase
    Private objConn As MySqlConnection
    Private objCmd As MySqlCommand
    Private Trans As MySqlTransaction
    Private strConnString As String

    Public Sub New()
        strConnString = System.Configuration.ConfigurationSettings.AppSettings("ConnectionString")
    End Sub

    Public Function QueryDataReader(ByVal strSQL As String) As MySqlDataReader
        Dim dtReader As MySqlDataReader
        objConn = New MySqlConnection
        With objConn
            .ConnectionString = strConnString
            .Open()
        End With
        objCmd = New MySqlCommand(strSQL, objConn)
        dtReader = objCmd.ExecuteReader()
        Return dtReader '*** Return DataReader ***'
    End Function

    Public Function QueryDataSet(ByVal strSQL As String) As DataSet
        Dim ds As New DataSet
        Dim dtAdapter As New MySqlDataAdapter
        objConn = New MySqlConnection
        With objConn
            .ConnectionString = strConnString
            .Open()
        End With
        objCmd = New MySqlCommand
        With objCmd
            .Connection = objConn
            .CommandText = strSQL
            .CommandType = CommandType.Text
        End With
        dtAdapter.SelectCommand = objCmd
        dtAdapter.Fill(ds)
        Return ds   '*** Return DataSet ***'
    End Function

    Public Function QueryDataTable(ByVal strSQL As String) As DataTable
        Dim dtAdapter As MySqlDataAdapter
        Dim dt As New DataTable
        objConn = New MySqlConnection
        With objConn
            .ConnectionString = strConnString
            .Open()
        End With
        dtAdapter = New MySqlDataAdapter(strSQL, objConn)
        dtAdapter.Fill(dt)
        Return dt '*** Return DataTable ***'
    End Function

    Public Function QueryExecuteNonQuery(ByVal strSQL As String) As Boolean
        objConn = New MySqlConnection
        With objConn
            .ConnectionString = strConnString
            .Open()
        End With
        Try
            objCmd = New MySqlCommand
            With objCmd
                .Connection = objConn
                .CommandType = CommandType.Text
                .CommandText = strSQL
            End With
            objCmd.ExecuteNonQuery()
            Return True '*** Return True ***'
        Catch ex As Exception
            Return False '*** Return False ***'
        End Try
    End Function

    Public Function QueryExecuteScalar(ByVal strSQL As String) As Object
        Dim obj As Object
        objConn = New MySqlConnection
        With objConn
            .ConnectionString = strConnString
            .Open()
        End With
        Try
            objCmd = New MySqlCommand
            With objCmd
                .Connection = objConn
                .CommandType = CommandType.Text
                .CommandText = strSQL
            End With
            obj = objCmd.ExecuteScalar()  '*** Return Scalar ***'
            Return obj
        Catch ex As Exception
            Return Nothing '*** Return Nothing ***'
        End Try
    End Function

    Public Function TransStart()
        objConn = New MySqlConnection
        With objConn
            .ConnectionString = strConnString
            .Open()
        End With
        Trans = objConn.BeginTransaction(IsolationLevel.ReadCommitted)
    End Function

    Public Function TransExecute(ByVal strSQL As String) As Boolean
        objCmd = New MySqlCommand
        With objCmd
            .Connection = objConn
            .Transaction = Trans
            .CommandType = CommandType.Text
            .CommandText = strSQL
        End With
        objCmd.ExecuteNonQuery()
    End Function

    Public Function TransRollBack()
        Trans.Rollback()
    End Function

    Public Function TransCommit()
        Trans.Commit()
    End Function

    Public Sub Close()
        objConn.Close()
        objConn = Nothing
    End Sub

End Class









Default.aspx.vb

Imports System.Data
Imports MySql.Data.MySqlClient
Public Class _Default
    Inherits System.Web.UI.Page

#Region " Web Form Designer Generated Code "

    'This call is required by the Web Form Designer.
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

    End Sub
    Protected WithEvents lblHeaderCustomerID As System.Web.UI.WebControls.Label
    Protected WithEvents lblCustomerID As System.Web.UI.WebControls.Label
    Protected WithEvents lblHeaderName As System.Web.UI.WebControls.Label
    Protected WithEvents lblName As System.Web.UI.WebControls.Label
    Protected WithEvents lblHeaderEmail As System.Web.UI.WebControls.Label
    Protected WithEvents lblEmail As System.Web.UI.WebControls.Label
    Protected WithEvents lblHeaderCountryCode As System.Web.UI.WebControls.Label
    Protected WithEvents lblCountryCode As System.Web.UI.WebControls.Label
    Protected WithEvents lblHeaderBudget As System.Web.UI.WebControls.Label
    Protected WithEvents lblBudget As System.Web.UI.WebControls.Label
    Protected WithEvents lblHeaderUsed As System.Web.UI.WebControls.Label
    Protected WithEvents lblUsed As System.Web.UI.WebControls.Label
    Protected WithEvents lblText As System.Web.UI.WebControls.Label
    Protected WithEvents myData1 As System.Web.UI.WebControls.DataGrid
    Protected WithEvents myDataGrid2 As System.Web.UI.WebControls.DataGrid
    Protected WithEvents myDataGrid1 As System.Web.UI.WebControls.DataGrid
    Protected WithEvents myDataGrid3 As System.Web.UI.WebControls.DataGrid

    'NOTE: The following placeholder declaration is required by the Web Form Designer.
    'Do not delete or move it.
    Private designerPlaceholderDeclaration As System.Object

    Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init
        'CODEGEN: This method call is required by the Web Form Designer
        'Do not modify it using the code editor.
        InitializeComponent()
    End Sub

#End Region

    Dim clsDB As New clsDatabase
    Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        'Put user code to initialize the page here
        Call myDataReader()
        Call myDataSet()
        Call myDataTable()
        Call myQueryExecuteScalar()
        Call myExecuteNonQuery()
        Call myExecuteTransaction()
    End Sub

    '*** DataReader ***'
    Sub myDataReader()
        Dim strSQL As String
        Dim dtReader As MySqlDataReader
        strSQL = "SELECT * FROM customer "
        dtReader = clsDB.QueryDataReader(strSQL)
        Me.myDataGrid1.DataSource = dtReader
        Me.myDataGrid1.DataBind()

        '*** Bind Rows ***'
        'If dtReader.HasRows = True Then
        '    Me.lblCustomerID.Text = dtReader.Item("CustomerID")
        '    Me.lblName.Text = dtReader.Item("Name")
        '    Me.lblEmail.Text = dtReader.Item("Email")
        '    Me.lblCountryCode.Text = dtReader.Item("CountryCode")
        '    Me.lblBudget.Text = dtReader.Item("Budget")
        '    Me.lblUsed.Text = dtReader.Item("Used")
        'End If
        clsDB.Close()
    End Sub

    '*** DataSet ***'
    Sub myDataSet()
        Dim strSQL As String
        Dim ds As DataSet
        strSQL = "SELECT * FROM customer "
        ds = clsDB.QueryDataSet(strSQL)
        Me.myDataGrid2.DataSource = ds.Tables(0).DefaultView
        Me.myDataGrid2.DataBind()

        '*** Bind Rows ***'
        'If ds.Tables(0).Rows.Count > 0 Then
        '    Me.lblCustomerID.Text = ds.Tables(0).Rows(0)("CustomerID")
        '    Me.lblName.Text = ds.Tables(0).Rows(0)("Name")
        '    Me.lblEmail.Text = ds.Tables(0).Rows(0)("Email")
        '    Me.lblCountryCode.Text = ds.Tables(0).Rows(0)("CountryCode")
        '    Me.lblBudget.Text = ds.Tables(0).Rows(0)("Budget")
        '    Me.lblUsed.Text = ds.Tables(0).Rows(0)("Used")
        'End If
        clsDB.Close()
    End Sub

    '*** DataTable ***'
    Sub myDataTable()
        Dim strSQL As String
        Dim dt As DataTable
        strSQL = "SELECT * FROM customer "
        dt = clsDB.QueryDataTable(strSQL)
        Me.myDataGrid3.DataSource = dt
        Me.myDataGrid3.DataBind()

        '*** Bind Rows ***'
        If dt.Rows.Count > 0 Then
            Me.lblCustomerID.Text = dt.Rows(0)("CustomerID")
            Me.lblName.Text = dt.Rows(0)("Name")
            Me.lblEmail.Text = dt.Rows(0)("Email")
            Me.lblCountryCode.Text = dt.Rows(0)("CountryCode")
            Me.lblBudget.Text = dt.Rows(0)("Budget")
            Me.lblUsed.Text = dt.Rows(0)("Used")
        End If
        clsDB.Close()
    End Sub

    '*** Execute Scalar ***'
    Sub myQueryExecuteScalar()
        Dim strSQL As String
        strSQL = "SELECT MAX(Budget) FROM customer "
        Me.lblText.Text = clsDB.QueryExecuteScalar(strSQL)
        clsDB.Close()
    End Sub

    '*** ExecuteNonQuery ***'
    Sub myExecuteNonQuery()
        Dim strSQL1, strSQL2, strSQL3 As String

        '*** Insert ***'
        strSQL1 = "INSERT INTO customer (CustomerID,Name,Email,CountryCode,Budget,Used) " & _
        " VALUES('C005','Weerachai Nukitram','[email protected]','TH','200000','100000')"
        If clsDB.QueryExecuteNonQuery(strSQL1) = True Then
            '*** Condition Success ***'
        Else
            '*** Condition Error ***'
        End If
        clsDB.Close()

        '*** Update ***'
        strSQL2 = "UPDATE customer SET Budget = '3000000' WHERE CustomerID = 'C005' "
        If clsDB.QueryExecuteNonQuery(strSQL2) = True Then
            '*** Condition Success ***'
        Else
            '*** Condition Error ***'
        End If
        clsDB.Close()

        '*** Delete ***'
        strSQL3 = "DELETE FROM customer WHERE CustomerID = 'C005' "
        If clsDB.QueryExecuteNonQuery(strSQL3) = True Then
            '*** Condition Success ***'
        Else
            '*** Condition Error ***'
        End If
        clsDB.Close()
    End Sub

    '*** Execute Transaction ***'
    Sub myExecuteTransaction()
        Dim strSQL1, strSQL2, strSQL3 As String

        '*** Start Transaction ***'
        clsDB.TransStart()

        Try
            '*** Insert ***'
            strSQL1 = "INSERT INTO customer (CustomerID,Name,Email,CountryCode,Budget,Used) " & _
            " VALUES('C005','Weerachai Nukitram','[email protected]','TH','200000','100000')"
            clsDB.TransExecute(strSQL1) '*** Execute Query 1 ***'

            '*** Update ***'
            strSQL2 = "UPDATE customer SET Budget = '3000000' WHERE CustomerID = 'C005' "
            clsDB.TransExecute(strSQL2) '*** Execute Query 2 ***

            '*** Delete ***'
            strSQL3 = "DELETE FROM customer WHERE CustomerID = 'C005' "
            clsDB.TransExecute(strSQL3) '*** Execute Query 3 ***

            '*** Commit Transaction ***'
            clsDB.TransCommit()

        Catch ex As Exception
            '*** RollBack Transaction ***'
            clsDB.TransRollBack()
        End Try
        clsDB.Close()
    End Sub

End Class










   
Share


ช่วยกันสนับสนุนรักษาเว็บไซต์ความรู้แห่งนี้ไว้ด้วยการสนับสนุน Source Code 2.0 ของทีมงานไทยครีเอท


ลองใช้ค้นหาข้อมูล


   


Bookmark.   
       
  By : ThaiCreate.Com Team (บทความเป็นลิขสิทธิ์ของเว็บไทยครีเอทห้ามนำเผยแพร่ ณ เว็บไซต์อื่น ๆ)
  Score Rating :  
  Create/Update Date : 2008-10-26 22:59:31 / 2017-03-29 10:17:30
  Download : Download  ASP.NET MySQL Database Class (Visual Studio .Net 2003 - .NET 1.1)
 Sponsored Links / Related

 
ASP.NET MySQL Connect to Database
Rating :

 
ASP.NET MySQL List Table Properties
Rating :

 
ASP.NET MySQL List Record
Rating :

 
ASP.NET MySQL & OleDb (System.Data.OleDb)
Rating :

 
ASP.NET MySQL & Odbc (System.Data.Odbc)
Rating :

 
ASP.NET MySQL Random Record
Rating :

 
ASP.NET MySQL List Record Paging/Pagination
Rating :

 
ASP.NET MySQL Search Record
Rating :

 
ASP.NET MySQL Search Record Paging/Pagination
Rating :

 
ASP.NET MySQL Add/Insert Record
Rating :

 
ASP.NET MySQL Add-Insert Multiple Record
Rating :

 
ASP.NET MySQL Check Already Exists Add/Insert Record
Rating :

 
ASP.NET MySQL Transaction (BeginTransaction,Commit,Rollback)
Rating :

 
ASP.NET MySQL Edit/Update Record
Rating :

 
ASP.NET MySQL Delete Record
Rating :

 
ASP.NET MySQL Multiple Checkbox Delete Record
Rating :

 
ASP.NET MySQL and GridView, DataSource
Rating :

 
ASP.NET MySQL Database Class
Rating :

 
ASP.NET MySQL Database Class (Visual Studio 2005,2008,2010 - .NET 2.0,3.5,4.0)
Rating :

 
ASP.NET MySQL BLOB Binary Data and Parameterized Query
Rating :


ThaiCreate.Com Forum


Comunity Forum Free Web Script
Jobs Freelance Free Uploads
Free Web Hosting Free Tools

สอน PHP ผ่าน Youtube ฟรี
สอน Android การเขียนโปรแกรม Android
สอน Windows Phone การเขียนโปรแกรม Windows Phone 7 และ 8
สอน iOS การเขียนโปรแกรม iPhone, iPad
สอน Java การเขียนโปรแกรม ภาษา Java
สอน Java GUI การเขียนโปรแกรม ภาษา Java GUI
สอน JSP การเขียนโปรแกรม ภาษา Java
สอน jQuery การเขียนโปรแกรม ภาษา jQuery
สอน .Net การเขียนโปรแกรม ภาษา .Net
Free Tutorial
สอน Google Maps Api
สอน Windows Service
สอน Entity Framework
สอน Android
สอน Java เขียน Java
Java GUI Swing
สอน JSP (Web App)
iOS (iPhone,iPad)
Windows Phone
Windows Azure
Windows Store
Laravel Framework
Yii PHP Framework
สอน jQuery
สอน jQuery กับ Ajax
สอน PHP OOP (Vdo)
Ajax Tutorials
SQL Tutorials
สอน SQL (Part 2)
JavaScript Tutorial
Javascript Tips
VBScript Tutorial
VBScript Validation
Microsoft Access
MySQL Tutorials
-- Stored Procedure
MariaDB Database
SQL Server Tutorial
SQL Server 2005
SQL Server 2008
SQL Server 2012
-- Stored Procedure
Oracle Database
-- Stored Procedure
SVN (Subversion)
แนวทางการทำ SEO
ปรับแต่งเว็บให้โหลดเร็ว


สุดยอด Source Code V2.0
 

แจ้งชำระเงิน/โอนเงิน
 

Hit Link
   







Load balance : Server 01
ThaiCreate.Com Logo
© www.ThaiCreate.Com. 2003-2019 All Rights Reserved.
ไทยครีเอทบริการ จัดทำดูแลแก้ไข Web Application ทุกรูปแบบ (PHP, .Net Application, VB.Net, C#)
[Conditions Privacy Statement] ติดต่อโฆษณา 081-987-6107 , 08-9968-0655 อัตราราคา คลิกที่นี่