Creating a Drilldown Chart (Part 1 of 5) Before we begin, there are several rules that we will establish for this walkthrough. Finite Drill Levels There are three levels of drilling: Level 1 — represents the Customer entity. Level 2 — represents the Order entity. Level 3 — represents the Order Detail entity. The d...
Creating a Drilldown Chart (Part 2 of 5) This topic is a continuation of Creating a Drilldown Chart (Part 1 of 5). This form consists of one WinChart which will have its DataSource as well as other properties such as, chart type and format labels changed whenever the end user moves from level to level. The end use...
Creating a Drilldown Chart (Part 3 of 5) This topic is a continuation of Creating a Drilldown Chart (Part 2 of 5). The BuildChart method accepts a string that represents the value of an entity which, will be used to build a SQL query that will fetch the appropriate chart data. The value of the parameter represents...
Creating a Drilldown Chart (Part 4 of 5) This topic is a continuation of Creating a Drilldown Chart (Part 3 of 5). For this particular walkthrough, the code and logic for data access is within the user interface. In a real-world enterprise application, this should be handled by the Data Access Layer and / or busin...
Creating a Drilldown Chart (Part 5 of 5) This topic is a continuation of Creating a Drilldown Chart (Part 4 of 5). The end user initiates the drill down by simply on any data element within the chart. For example, when the chart first loads, the end user clicks on a bar, which represents a customer. The chart then...
Creating a Drilldown Chart Chart drilling is the concept of allowing end users to interact with chart data elements so that the details that compose that data can be shown in a child chart. Chart drilling usually is implemented in such a way so that the end users can click on a chart data element and that will cau...
Custom Annotations It is possible to create Custom Annotations by implementing IAnnotation or inheriting Annotation. Once a custom annotation has been created, instances of these custom annotations can be added to the chart’s Annotations collection. Note Note Note : For an example procedure on how to create chart ...
Custom Skins and Paint Elements A simplistic definition of a chart is: an image with several figures of various shapes and color. A custom skin specifies a set of color/styles that is used to paint each shape in the chart. Custom Skins and the Paint Element Paint Elements are objects that hold information about co...
Customize Chart Legends This topic provides an overview of how to customize the legends in the Chart control. The location of the chart’s legend can be set to either on the top, bottom, right, or left of the chart. A combination of the Margins and SpanPercentage properties is used to size the legend and eliminate ...
Customize Chart ToolTips This topic explains how to customize the ToolTips displayed in the Chart control. Before you start writing any code, you should place using/import directives in your code-behind so you don’t need to always type out a member’s fully qualified name. In Visual Basic: In C#: ToolTips can be se...