ado.net数据操作全接触一（insert,update,delete）

ado|数据

1.1创建数据库连接（sqlserver）
1: <%@ Import Namespace="System.Data" %>
2: <%@ Import NameSpace="System.Data.SqlClient" %>
3: <%
4: Dim myConnection As SqlConnection
5: myConnection = New SqlConnection( "server=localhost;database=Pubs;uid=sa" )
6:
7: myConnection.Open()
8: %>
9: Connection Opened!
1.2创建数据库连接（access）
1: <%@ Import Namespace="System.Data" %>
2: <%@ Import NameSpace="System.Data.OleDb" %>
3: <%
4: Dim myConnection As OleDbConnection
5: myConnection = New OleDbConnection( "PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA
ccc.gifSource=c:\authors.mdb" )
6:
7: myConnection.Open()
8: %>
9: Connection Opened!
2.1添加纪录（sqlserver） 

 1: <%@ Import Namespace="System.Data" %> 
2: <%@ Import NameSpace="System.Data.SqlClient" %> 
3: 
4: <% 
5: Dim myConnection As SqlConnection 
6: Dim myCommand As SqlCommand 
7: 
8: myConnection = New SqlConnection( "server=localhost;uid=sa;database=Pubs" ) 
9: myConnection.Open()
10: myCommand = New SqlCommand( "Insert testTable ( col1 ) ccc.gifValues ( 'Hello' )", myConnection )
11: myCommand.ExecuteNonQuery()
12: myConnection.Close()
13: %>
14: New Record Inserted!
15:
2.2添加纪录（access）
1: <%@ Import Namespace="System.Data" %> 
2: <%@ Import NameSpace="System.Data.OleDb" %> 
3: 
4: <% 
5: Dim myConnection As OleDbConnection 
6: Dim myCommand As OleDbCommand 
7: 
8: myConnection = New OleDbConnection( "PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA ccc.gifSource=c:authors.mdb" ) 
9: myConnection.Open()
10: myCommand = New OleDbCommand( "Insert INTO Authors ( Author ) Values ccc.gif( 'Simpson' )", myConnection )
11: myCommand.ExecuteNonQuery()
12: myConnection.Close()
13: %>
14: New Record Inserted!
15:
3.1更新数据（sqlserver）
1: <%@ Import Namespace="System.Data" %> 
2: <%@ Import NameSpace="System.Data.SqlClient" %> 
3: 
4: <% 
5: Dim myConnection As SqlConnection 
6: Dim myCommand As SqlCommand 
7: 
8: myConnection = New SqlConnection( "server=localhost;uid=sa;database=Pubs" ) 
9: myConnection.Open()
10: myCommand = New SqlCommand( "UPDATE Authors SET LastName='Smith' ccc.gifWHERE LastName='Bennett'", myConnection )
11: myCommand.ExecuteNonQuery()
12: myConnection.Close()
13: %>
14: Record Updated!
15:
3.2更新数据（access）
1: <%@ Import Namespace="System.Data" %>
 2: <%@ Import NameSpace="System.Data.OleDb" %> 
3: 
4: <% 
5: Dim myConnection As OleDbConnection 
6: Dim myCommand As OleDbCommand 
7: 
8: myConnection = New OleDbConnection( "PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA ccc.gifSource=c:\authors.mdb" ) 
9: myConnection.Open()
10: myCommand = New OleDbCommand( "UPDATE Authors SET Author='Bennett' ccc.gifWHERE Author = 'Simpson'", myConnection )
11: myCommand.ExecuteNonQuery()
12: myConnection.Close
13: %>
14: Record Updated!15:
3.3更新数据中受影响的记录数
1: <%@ Import Namespace="System.Data" %> 
2: <%@ Import NameSpace="System.Data.SqlClient" %> 
3: 
4: <% 
5: Dim myConnection As SqlConnection 
6: Dim myCommand As SqlCommand 7: Dim recordsAffected As Integer 8: 9: myConnection = New SqlConnection( "server=localhost;uid=sa;database=Pubs" )10: myConnection.Open()11: myCommand = New SqlCommand( "UPDATE testTable SET col1='hello' ccc.gifWHERE col1='fred'", myConnection )12: recordsAffected = myCommand.ExecuteNonQuery()13: Response.Write( "The UPDATE statement modified " & ccc.gifrecordsAffected.toString() & " records!" )14: myConnection.Close15: %>16:
4.1删除数据（sqlserver）
1: <%@ Import Namespace="System.Data" %> 2: <%@ Import NameSpace="System.Data.SqlClient" %> 3: 4: <% 5: Dim myConnection As SqlConnection 6: Dim myCommand As SqlCommand 7: 8: myConnection = New SqlConnection( "server=localhost;uid=sa;database=Pubs" ) 9: myConnection.Open()10: myCommand = New SqlCommand( "DELETE testTable WHERE col1='fred'", myConnection )11: myCommand.ExecuteNonQuery()12: myConnection.Close()13: %>14: Record Deleted!15:


4.2删除数据（access）




 1: <%@ Import Namespace="System.Data" %> 2: <%@ Import NameSpace="System.Data.OleDb" %> 3: 4: <% 5: Dim myConnection As OleDbConnection 6: Dim myCommand As OleDbCommand 7: 8: myConnection = New OleDbConnection( "PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA ccc.gifSource=c:\authors.mdb" ) 9: myConnection.Open()10: myCommand = New OleDbCommand( "DELETE FROM Authors ccc.gifWHERE Author = 'Simpson'", myConnection )11: myCommand.ExecuteNonQuery()12: myConnection.Close()13: %>14: Record Deleted!15:16:


4.3删除纪录中受影响的记录数


1: <%@ Import Namespace="System.Data" %> 2: <%@ Import NameSpace="System.Data.SqlClient" %> 


3: 


4: <% 


5: Dim myConnection As SQLConnection 


6: Dim myCommand As SQLCommand 


7: Dim recordsAffected As Integer 


8: 


9: myConnection = New SqlConnection( "server=localhost;uid=sa;database=Pubs" )


10: myConnection.Open()


11: myCommand = New SqlCommand( "DELETE Authors2 ccc.gifWHERE LastName='Smith'", myConnection )


12: recordsAffected = myCommand.ExecuteNonQuery()


13: Response.Write( "The DELETE statement modified " ccc.gif& recordsAffected.toString() & " records!" )


14: myConnection.Close


15: %>


16:


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时间： 2025-01-02 00:18:14

		
		


		


	

	
	

		


		
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