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Edit Bindings Dialog

Generally only some properties of certain report items can handle expression values. Other properties of a report item can take advantage of expression values by adding Binding objects to its Bindings collection. Only write-enabled properties can be set through binding expressions, so read-only properties are not suitable for "data-binding".

The Edit Bindings dialog is available in the property grid by clicking on the ellipsis of the Bindings property.

Add a Binding object

The dialog accepts Property Path and Expression for that property. The property can have a period-delimited navigation path in order to reference a property down the object hierarchy. The Expression can be constant, expression value, user defined function or even a report parameter. The evaluated expression should return an object of appropriate type for the bound property.

For example, you can bind the Style.Font.Bold property of a TextBox item to an expression such as =Fields.MyBoolField that would return true or false. In certain cases using user-defined functions to perform appropriate type conversions should be considered e.g. for System.Drawing.Color as seen on the image.

For example the following navigation paths are valid:

  • DataSource

  • Style.BackgroundColor

  • Style.Font.Name

Edit a Binding object

To edit a Binding object, click in the inline editors directly.

Delete a Binding object

To delete a Binding object, use the Delete Button.

Not all item properties support expression bindings. Please refer to the API reference to check if a property supports binding.

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