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The DataManager class helps in binding the Grid queries passed to the server-side. Based on those queries you can perform server-side operation on the Grid data. The query parameters that help you perform the server-side operations are as follows. Table 1: Query Parameters
DataManager Operations: The query parameters are serialized by the DataManager class and the server-side operations such as sorting, filtering, paging are performed by the PerformSorting, PerfomWherFilter, PerformSkip and PerformTake methods. C# DataOperations Method: You can also perform the server side operation such as filtering, paging and sorting by using the DataOperations Execute method instead of using the individual methods. The following code example shows you how to use the Execute method in the DataManager. Table 2: Server side operation order for Execute method
C# MVC In the following code example is demonstrated the server-side operation using UrlAdaptor. C# ASP In ASP.NET, the server-side operation is performed by using the WebMethodAdaptor, and the DataManager parameter is set as value. C#
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| Article ID: | Published Date: | Last Revised Date: | Platform: | Control: |
| 4300 | 03/16/2015 | 10/14/2015 | ASP.NET Web Forms | Grid |
| Laurentiu LAZAR | May 26, 2015 | ||||
| Is possible when load the data source for grid, to be empty? (I mean to no display existing records, and only the new added just to moment when the grid is saved? | |||||
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| Soycake | May 11, 2016 | ||||
| I use DataManager to query JSON result from DataSource like this: var dm = ej.DataManager("Home/GetOrders").executeQuery(ej.Query().where("OrderID", "equal", 1, true)); There is no results. My JSON result from DataSource action like this: [{"result":[{"ID":2,"OrderID":1,"Country":"USA","City":"Canada"],"count":1}]; But if I assign var jsondata = [{"ID":2,"OrderID":1,"Country":"USA","City":"Canada"] and use ejQuery, it return 1 record. Do you have any suggestion to find OrderID from DataSource? | |||||
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