diff --git a/docs/grid/api/api_gridcolumn_properties.md b/docs/grid/api/api_gridcolumn_properties.md
index dcf2f21c..488e3948 100644
--- a/docs/grid/api/api_gridcolumn_properties.md
+++ b/docs/grid/api/api_gridcolumn_properties.md
@@ -105,7 +105,8 @@ columns:[
|
- (required) an array of objects with header rows configuration. Each header object may include:- text - (optional) the text of a header
- tooltip - (optional) enables/disables the header tooltip, or sets the configuration object with the tooltip settings; true by default. When set as an object, the tooltip config can have the following properties:
- force - (optional) forces opening of a tooltip; if set to true, the showDelay and hideDelay settings are ignored, *false* by default
- showDelay - (optional) the time period that should pass before showing a tooltip, in ms
- hideDelay - (optional) the time period that should pass before hiding a tooltip, in ms
- margin - (optional) the margin between the node and tooltip; *8px* by default
- position - (optional) the position of a tooltip: *"right"*, *"bottom"*, *"center"*, *"left"*, *"top"*; *"bottom"* by default
- css - (optional) the style of a tooltip box
- tooltipTemplate - (optional) sets a template for the header tooltip. Takes into account the htmlEnable property. Return false to disable the tooltip
- align - (optional) aligns data in the header: *"left"* | *"center"* | *"right"*, "left" by default
- colspan - (optional) the number of columns in a colspan
- rowspan - (optional) the number of rows in a rowspan
- css - (optional) styling to be applied to a header
- content - (optional) additional content of a header, which can be:
- a filter: *"inputFilter"* | *"selectFilter"* | *"comboFilter"*
- one of the methods that process values in a column and show result in the header: *"avg"* | *"sum"* | *"max"* | *"min"* | *"count"*
- filterConfig - (optional) a configuration object for "comboFilter". It can contain a set of properties:
- filter - (optional) sets a custom function for filtering Combo Box options
- multiselection - (optional) enables selection of multiple options
- readonly - (optional) makes ComboBox readonly (it is only possible to select options from the list, without entering words in the input)
- placeholder - (optional) sets a placeholder in the input of ComboBox
- virtual - (optional) enables dynamic loading of data on scrolling the list of options
- template - (optional) a function which returns a template with content for the filter options. Takes an option item as a parameter:
- item - (object) an option item
- customFilter - (optional) a custom function for extended filtering. It takes two parameters:
- item - (required) a data item the value of which should be compared
- input - (required) the value of the option selected in the filter
and returns true/false to specify whether the data item should be displayed in the grid after filtering - headerSort - (optional) enables/disables sorting by clicking the header, true by default
- sortAs - (optional) a function that defines the type to sort data as (e.g. string, number, date, etc.)
- htmlEnable - (optional) false by default. If set to true, specifies the HTML content (inner HTML) of a header. If set to false, the content of the header cells will be displayed as a string value
Related Sample: Grid. Grouped headers (spans) |
+ (required) an array of objects with header rows configuration. Each header object may include:- text - (optional) the text of a header
- tooltip - (optional) enables/disables the header tooltip, or sets the configuration object with the tooltip settings; true by default. When set as an object, the tooltip config can have the following properties:
- force - (optional) forces opening of a tooltip; if set to true, the showDelay and hideDelay settings are ignored, *false* by default
- showDelay - (optional) the time period that should pass before showing a tooltip, in ms
- hideDelay - (optional) the time period that should pass before hiding a tooltip, in ms
- margin - (optional) the margin between the node and tooltip; *8px* by default
- position - (optional) the position of a tooltip: *"right"*, *"bottom"*, *"center"*, *"left"*, *"top"*; *"bottom"* by default
- css - (optional) the style of a tooltip box
- tooltipTemplate - (optional) sets a template for the header tooltip. Takes into account the htmlEnable property. Return false to disable the tooltip
- align - (optional) aligns data in the header: *"left"* | *"center"* | *"right"*, "left" by default
- colspan - (optional) the number of columns in a colspan
- rowspan - (optional) the number of rows in a rowspan
- css - (optional) styling to be applied to a header
- content - (optional) additional content of a header, which can be:
- a filter: *"inputFilter"* | *"selectFilter"* | *"comboFilter"*
- one of the methods that process values in a column and show result in the header: *"avg"* | *"sum"* | *"max"* | *"min"* | *"count"*
- filterConfig - (optional) a configuration object for "comboFilter". It can contain a set of properties:
- filter - (optional) sets a custom function for filtering Combo Box options
- multiselection - (optional) enables selection of multiple options
+ - readonly - (optional) makes ComboBox readonly (it is only possible to select options from the list, without entering words in the input). The default value of the readonly property depends on the following conditions:
- the `readonly:true` is set as a default value, if `htmlEnable:true` is set for a column and there is no template specified for a column
- in all other cases, `readonly:false` is set by default
- placeholder - (optional) sets a placeholder in the input of ComboBox
- virtual - (optional) enables dynamic loading of data on scrolling the list of options
- template - (optional) a function which returns a template with content for the filter options. Takes an option item as a parameter:
- item - (object) an option item
- customFilter - (optional) a custom function for extended filtering. It takes two parameters:
- item - (required) a data item the value of which should be compared
- input - (required) the value of the option selected in the filter
and returns true/false to specify whether the data item should be displayed in the grid after filtering - headerSort - (optional) enables/disables sorting by clicking the header, true by default
- sortAs - (optional) a function that defines the type to sort data as (e.g. string, number, date, etc.)
- htmlEnable - (optional) false by default. If set to true, specifies the HTML content (inner HTML) of a header. If set to false, the content of the header cells will be displayed as a string value
Related Sample: Grid. Grouped headers (spans) |