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เปรียบเทียบค่าในฐานข้อมูล...กับค่าที่ใส่เข้ามาใหม่ว่าซ้ำหรือไม่ ทำอย่างไร |
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Code (ASP Microsoft Access Check Already Exists Add/Insert Record)
<% Option Explicit %>
<html>
<head>
<title>ThaiCreate.Com ASP & Microsoft Access Tutorial</title>
</head>
<body>
<%
Dim Conn,strSQL,objRec,objExec
Set Conn = Server.Createobject("ADODB.Connection")
Conn.Open "DRIVER=Microsoft Access Driver (*.mdb);DBQ=" & Server.MapPath("mydatabase.mdb"),"" , ""
strSQL = "SELECT * FROM customer WHERE CustomerID = '"&Request.Form("txtCustomerID")&"' "
Set objRec = Conn.Execute(strSQL)
IF Not objRec.EOF Then
Response.write("CustomerID already exist.")
Else
strSQL = ""
strSQL = strSQL &"INSERT INTO customer "
strSQL = strSQL &"(CustomerID,Name,Email,CountryCode,Budget,Used) "
strSQL = strSQL &"VALUES "
strSQL = strSQL &"('"&Request.Form("txtCustomerID")&"','"&Request.Form("txtName")&"', '"&Request.Form("txtEmail")&"' "
strSQL = strSQL &",'"&Request.Form("txtCountryCode")&"','"&Request.Form("txtBudget")&"', '"&Request.Form("txtUsed")&"') "
Set objExec = Conn.Execute(strSQL)
If Err.Number = 0 Then
Response.write("Save Done.")
Else
Response.write("Error Save ["&strSQL&"] ("&Err.Description&")")
End If
Set objExec = Nothing
End If
objRec.Close
Conn.Close()
Set objRec = Nothing
Set Conn = Nothing
%>
</body>
</html>
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| Date :
2010-04-27 06:44:37 |
By :
webmaster |
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 Load balance : Server 04
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