三分鐘掌握VB.NET操作MySql數(shù)據(jù)庫(kù)
VB.NET經(jīng)過(guò)長(zhǎng)時(shí)間的發(fā)展,很多用戶都很了解VB.NET操作MySql數(shù)據(jù)庫(kù)了,這里我發(fā)表一下個(gè)人理解,和大家討論討論。這是在VB.NET中為連接MySql中編寫的一個(gè)類庫(kù)。你可以使用這個(gè)類庫(kù)直接VB.NET操作MySql數(shù)據(jù)庫(kù)。
在使用這個(gè)類庫(kù)之前,你必須安裝
ODBC MYSQL 3.51下載地址:http://www.mysql.com/downloads/api-myodbc-3.51.html
Driver ODBC.NET下載地址:http://www.microsoft.com/downloads/details.aspx?FamilyId=6CCD8427-1017-4F33-A062-D165078E32B1&displaylang=en
在這個(gè)庫(kù)中有三個(gè)類:
◆ManipStringForMySQL: 此類修改SGBD的字符串
◆MySQL_Requettes: 發(fā)送請(qǐng)求
◆MySQL_Utils : 對(duì)SGBD數(shù)據(jù)進(jìn)行測(cè)試
下面是使用VB.NET操作MySql的一個(gè)例子
- Public Shared Function MyODBCDataset(ByVal ReqSQL As String, _ByVal LaBase As String,
ByVal Server As String, _ByVal Password As String,
ByVal User As String, _ByVal NomDataSet As String) As DataSet- 'Connexion à un server MySQL
- 'avec le Driver ODBC 3.51 avec requette qui renvoie un dataset
- Dim MyConString As String = _
- "DRIVER={MySQL ODBC 3.51 Driver};SERVER=" & Server _& ";DATABASE=" & LaBase & ";
- UID=" & User _& ";PASSWORD=" & Password & ";OPTION=3;"
- Dim MyODBCConnexion As New OdbcConnection(MyConString)
- Try
- Dim ds As New DataSet()
- Dim cmd As OdbcDataAdapter = New
- OdbcDataAdapter(ReqSQL, MyConString)
- Dim MyCommand As New OdbcCommand()
- Dim MyDataReader As OdbcDataReader
- cmd.Fill(ds, NomDataSet)
- MyODBCConnexion.Close()
- Return ds
- Catch MyOdbcException As OdbcException
- '
- HttpContext.Current.Response.Write(MyOdbcException.ToString)
- Catch MyException As Exception
- '
- HttpContext.Current.Response.Write(MyException.ToString)
- End Try
- End Function
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