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Group columns have the data-mch-id attribute set to the key property of the column or they are automatically generated by the multi-column header feature. Individual column header cells (TH) have the rowspan attribute set by the rowspan property of the column or is automatically calculated by the multi-column header feature.ĭata bound column header cells (TH) have the data-isheadercell attribute set to true. Each table row has a data-mch-level attribute which marks the row level from bottom to top. The number of rows (TR) in the THEAD is equal to the number of levels in the column hierarchy. In the DOM, the multi-column headers feature alters the THEAD element. ![]() The column key property is automatically generated or manually defined, but should always be unique. Group header cell – this cell is mapped to a parent column which is not data bound.A leaf column is bound to data and its key option is the data source column key. Table header cell – this is a header cell which is directly mapped to leaf column in the columns hierarchy.There are two type of cells in the multi-column headers feature: As with other features, you must add it to the array and also reference in the feature’s JavaScript files. The multi-column headers API is exposed through the grid’s column objects. The headerText property is used to set the group caption, key is used to reference the column group when used with other features, and rowspan is used to adjust the span of the group header cell. When defining a grouped column you can set the headerText, key and the rowspan properties (all of the properties are not mandatory). The group property is cascading, which means that you can group multi-column headers together. This property can contain an array of other column definitions. To accomplish this in the array, there is a new property off of each column object called group. The multi-column headers feature provides header grouping. Multi-column headers Property Reference.This topic contains the following sections: IgGrid/igDataSource Architecture Overview: This topic explains the inner workings of igGrid and how it collaborates with igDataSource to enable binding to different data sources. #PRINT MULTI HEADER VIEW IN TAP FORMS HOW TO#IgGrid Overview: This topic explains how to add igGrid to a web page. The following topics are prerequisites to understanding this topic: This topic explains the igGrid™ multi-column headers feature. Multi-Column Headers Overview (igGrid) Topic Overview Purpose
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