The dialogue forms in a report are mainly needed to filter the data. As a rule, controls are placed on the form, with the help of which values are set. Then, these values are used to further filter the data. But most of the controls allow you to filter the data directly. That is, they can be linked to a data source using the properties of the DataColumn. The control value will be used for filtering. Also, there is another feature that sets the very condition of comparing the value of the control data - FilterOperation. This feature allows you to compare for equality, more, less, and a combination of these options. Often, we want to filter data by date. Moreover, people usually filter by a date range. Let's look at an example of creating a report with a similar filtration. Add a dialog form to the report:
On the form we will place two control elements DateTimePi ...