How I do to do a control that has a query that seeks data in runtime, that is the user chooses the conditions. This control will have to have a grid that contains the columns certain table or several tables. is the filtre screen a lot similar to conditional formatacion from Excell, How I building this control, How I define the columns that It has to appear in the grid? is it in the property of the control, do I make a collection? , How I define the class
Is this that call the "ON THE FLY" ?
Every idea will be well coming

thank you very much