Blueb

[Marwan1]

hi all,
i get problem when iam trying to buy item

Warning: mssql_query() [function.mssql-query]: message: Operand data type varchar is invalid for subtract operator. (severity 16) in C:\AppServ\www\include\class_sqlfunctions.php on line 392
 
Warning: mssql_query() [function.mssql-query]: Query failed in C:\AppServ\www\include\class_sqlfunctions.php on line 392

line 392

mssql_query("UPDATE ".$this->coinstable." SET ".$this->coinscolumn." = ".$this->coinscolumn." - '".$coins."' WHERE UserID = '".$accname."'"); 

thanx

[MentaL]

[Vusion]

First of all, why are you using single quotations for integers.

Try ".$coins." without ' '.

[polat alemdar]

try "$coins"

[Marwan1]

thank you Vusion
u 2 polat