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expandingProperties

 

Name

Description

published property

DataFieldCaption

Specifies the field name whose value is used for the  Caption property of the data-aware chart values. Use DataFieldCaption to bind each data-aware chart value to a field object in the dataset. To fully specify a database field, both the dataset and the field within the dataset must be defined. The DataSource property of the chart specifies the dataset that contains the data field.

Use the other DataFieldXXX properties to specify the field names for other properties of the chart value (e.g., DataFieldX specifies the field for the X property of the value). For chart value properties that don't have a corresponding DataFieldXXX property, you can use the     OnGetChartValue event to change their values.
 

published property

DataFieldHeight

Specifies the field name whose value is used for the  Height property of the data-aware chart values. Use DataFieldHeight to bind each data-aware chart value to a field object in the dataset. To fully specify a database field, both the dataset and the field within the dataset must be defined. The DataSource property of the chart specifies the dataset that contains the data field. The field object needs to be convertable to a floating-point value.

Use the other DataFieldXXX properties to specify the field names for other properties of the chart value (e.g.,     DataFieldCaption specifies the field for the  Caption property of the value). For chart value properties that don't have a corresponding DataFieldXXX property, you can use the     OnGetChartValue event to change their values.
 

published property

DataFieldWidth

Specifies the field name whose value is used for the  Width property of the data-aware chart values. Use DataFieldWidth to bind each data-aware chart value to a field object in the dataset. To fully specify a database field, both the dataset and the field within the dataset must be defined. The DataSource property of the chart specifies the dataset that contains the data field. The field object needs to be convertable to a floating-point value.

Use the other DataFieldXXX properties to specify the field names for other properties of the chart value (e.g.,     DataFieldCaption specifies the field for the  Caption property of the value). For chart value properties that don't have a corresponding DataFieldXXX property, you can use the     OnGetChartValue event to change their values.
 

published property

DataFieldX

Specifies the field name whose value is used for the  X property of the data-aware chart values. Use DataFieldX to bind each data-aware chart value to a field object in the dataset. To fully specify a database field, both the dataset and the field within the dataset must be defined. The     DataSource property of the chart specifies the dataset that contains the data field. The field object needs to be convertable to a floating-point value.

Use the other DataFieldXXX properties to specify the field names for other properties of the chart value (e.g.,     DataFieldCaption specifies the field for the  Caption property of the value). For chart value properties that don't have a corresponding DataFieldXXX property, you can use the     OnGetChartValue event to change their values.
 

published property

DataFieldY

Specifies the field name whose value is used for the  Y property of the data-aware chart values. Use DataFieldY to bind each data-aware chart value to a field object in the dataset. To fully specify a database field, both the dataset and the field within the dataset must be defined. The     DataSource property of the chart specifies the dataset that contains the data field. The field object needs to be convertable to a floating-point value.

Use the other DataFieldXXX properties to specify the field names for other properties of the chart value (e.g.,     DataFieldCaption specifies the field for the  Caption property of the value). For chart value properties that don't have a corresponding DataFieldXXX property, you can use the     OnGetChartValue event to change their values.
 

protected property

DataLink

Returns the data link that manages the mapping of chart values to field values

published property

DataSource

Identifies the link to the dataset where the data-aware chart finds its data. Use the DataSource property to set the TDataSource object where the data-aware chart should fetch its data. Each record of the dataset corresponds to one chart value item in the chart's collection.

The DataFieldXXX properties specifies which TField objects of the dataset are used to populate the corresponding properties in the chart value. Any chart value property that doesn't have a TField linked to it uses its defaults. However, you can use the     OnGetChartValue event to change any aspect of a chart value after its field values have been fetched from the dataset.
 

published property

OnGetChartValue

Occurs when the data-aware chart creates a new chart value based on the     DataSource. For each record in the dataset, the data-aware chart creates a chart value, populates it based on DataFieldXXX fields and then call this event.

Write an OnGetChartValue event handler to take action when a chart value is created by a record, either to update other information based on the chart value or to modify a chart value for each record before they are displayed in the chart.

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