On 01-Jun-2012, at 11:40 AM, Robert Wood wrote: > &ui->dateInDateEdit->date()
That creates a QDate and takes its address. Presumably, if the code works, sqlFormatString() isn't altering the input. I think you can fix it by changing QString enter_invoice_in::sqlFormatString(QDate *date); to QString enter_invoice_in::sqlFormatString(const QDate *date); Or you can assign the QDate to a variable and then pass the address of that variable: QDate aDate = ui->dateInDateEdit->date(); queryString += "\"" + sqlFormatString(&aDate) + "\","; -John Weeks
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