The Grid has default filter operators for string column like as follows,
We can also have filtered the column using customized “notcontains” operator externally by clicking the button. Please refer to following code example to achieve this.
In the create event we can set the customized filter operator and its definition. After that we can merge the customized operator into default operator like as following
Here, we can push the new filter objects in filteredColumn arrays and then refresh the grid content by calling the refreshContent API. Because, if we directly filter the customized operator using filter column API then it’s removes the already filteredColumn arrays. Please refer to the following code example to push the new filter objects in filteredColumn arrays,
Note: Above figure shows the filtered results which Customer ID column doesn’t contains ‘ET’.
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