VB.NET & System.Data.SqlClient - Parameter Query (OleDbParameter) - How to learn Connector/NET ADO.NET component System.Data.SqlClient namespace is the .NET Framework Data Provider for SQL Server data source, Using the SqlParameter for mapping to a DataSet column (SQL Server 2000,2005,2008 Database)
ShotDev Focus:
- VB.NET & System.Data.SqlClient - Parameter Query (OleDbParameter)
Example
ParameterQuery.aspx
<%@ Import Namespace="System.Data"%>
<%@ Import Namespace="System.Data.SqlClient"%>
<%@ Page Language="VB" %>
<script runat="server">
Sub Page_Load(sender As Object, e As EventArgs)
Sample1()
End Sub
Sub Sample1()
Dim objConn As System.Data.SqlClient.SqlConnection
Dim objCmd As System.Data.SqlClient.SqlCommand
Dim strConnString,strSQL As String
strConnString = "Server=localhost;UID=sa;PASSWORD=;database=mydatabase;Max Pool Size=400;Connect Timeout=600;"
objConn = New System.Data.SqlClient.SqlConnection(strConnString)
objConn.Open()
'*** FOR INSERT ***'
strSQL = "INSERT INTO customer (CustomerID,Name,Email,CountryCode,Budget,Used) " & _
"VALUES (@sCustomerID,@sName,@sEmail,@sCountryCode,@sBudget,@sUsed)"
objCmd = New System.Data.SqlClient.SqlCommand(strSQL,objConn)
'*** Sample 1 ***'
'With objCmd
' .Parameters.AddWithValue("@sCustomerID","C005")
' .Parameters.AddWithValue("@sName","Weerachai Nukitram")
' .Parameters.AddWithValue("@sEmail","webmaster@shotdev.com")
' .Parameters.AddWithValue("@sCountryCode","TH")
' .Parameters.AddWithValue("@sBudget","2000000")
' .Parameters.AddWithValue("@sUsed","1000000")
'End With
'*** Sample 2 ***'
With objCmd
.Parameters.Add(New SqlParameter("@sCustomerID","C005"))
.Parameters.Add(New SqlParameter("@sName","Weerachai Nukitram"))
.Parameters.Add(New SqlParameter("@sEmail","webmaster@shotdev.com"))
.Parameters.Add(New SqlParameter("@sCountryCode","TH"))
.Parameters.Add(New SqlParameter("@sBudget","2000000"))
.Parameters.Add(New SqlParameter("@sUsed","1000000"))
End With
objCmd.ExecuteNonQuery()
lblText.Text = "Record Insert Sucessful."
'*** FOR UPDATE ***'
'strSQL = "UPDATE customer SET Budget = @sBudget " & _
'" WHERE CustomerID = @sCustomerID "
'objCmd = New System.Data.SqlClient.SqlCommand(strSQL,objConn)
'With objCmd
' .Parameters.Add(New SqlParameter("@sBudget","4000000"))
' .Parameters.Add(New SqlParameter("@sCustomerID","C005"))
'End With
'objCmd.ExecuteNonQuery()
'*** FOR DELETE ***'
'strSQL = "DELETE FROM customer " & _
'" WHERE CustomerID = @sCustomerID "
'objCmd = New System.Data.SqlClient.SqlCommand(strSQL,objConn)
'With objCmd
' .Parameters.Add(New SqlParameter("@sCustomerID","C005"))
'End With
'objCmd.ExecuteNonQuery()
objCmd = Nothing
objConn.Close()
objConn = Nothing
End Sub
</script>
<html>
<head>
<title>ShotDev.Com Tutorial</title>
</head>
<body>
<form id="form1" runat="server">
<asp:Label id="lblText" runat="Server"></asp:Label>
</form>
</body>
</html>
Screenshot
.
.
.
Download this script.
Loading ...