A family of Microsoft relational database management systems designed for ease of use.
Okay, I open the main form and select the Centercode from the combo box then enter a month in the month text box and press the button next to the month for it to fill the text boxes below with the name of the month. Then enter the marks of the students and press the generate report button. Pressing the generate report button gives me this error:
Both the queries are open as seen. Even if I don't open the queries, and press generate report button, it gives the same error.