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How to put a variable copy in update query

P: 3
hello
can i ask how can i put a variable copy in update query

if i write this give me a wrong:
Expand|Select|Wrap|Line Numbers
  1. sql="UPDATE book_info SET num_copies="copy" "+
  2. " where num="+Request.form("No_book");
  3. abCon.Execute(sql);
  4.  RS.colse; 
  5.  DbCon.close; 
  6. %>
  7.  
Mar 4 '13 #1
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pod
100+
P: 298
pod
to fix the syntax error in the sql statement, try:
Expand|Select|Wrap|Line Numbers
  1. sql = "UPDATE book_info SET num_copies=" + copy + " where num=" + Request.Form("No_book")
but Request.Form directly in your statement might open your database for SQL injection attacks if this is open to public ...read up on it

http://www.4guysfromrolla.com/webtech/061902-1.shtml
Mar 20 '13 #2

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