WebSep 14, 2024 · In this article. Data binding is a common use of DataTable object. The CopyToDataTable method takes the results of a query and copies the data into a DataTable, which can then be used for data binding.When the data operations have been performed, the new DataTable is merged back into the source DataTable.. The … WebMay 3, 2024 · Here is what I used to do. This will filter myDataTable which is a DataTable and return a new DataTable. This will fail if the select query returned no results. Dim dv As DataView = yourDatatable.DefaultView dv.RowFilter ="query" ' ex: "parentid = 0". It is better to use DataView for this task.
C#中DataTable实现筛选查询的示例 - 编程宝库
WebApr 7, 2024 · C#. C# An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming. ... consider not using web.config and instead store the data in a json file which then would be easy to deserialize to a DataTable. 0 votes Report a concern. … WebC#中DataTable实现筛选查询的示例:说明:DataTable进行过滤筛选,常用的一些方法为:Select,dataview& 1. 直接循环遍历获取// 假设dt是由"SELECT C1,C2,C3 FROM T1"查 … greathorse membership
c# - How to change DataTable columns order - Stack Overflow
WebAug 29, 2024 · Let myDataTable ,be the DataTable that you are processing, assume that the type of field is string (change appropriately if needed) myDataTable.AsEnumerable () .Where (x => x.Field ("colA") == "aaa") .OrderBy (y => y.Field ("dateof")) .Take (1) .Select (s => s.Field ("colB")) Or else this may help you: Web1.create dataview and put your datatable in view DataView dtview = new DataView (dtlog); string sortstring = "date DESC"; // sorting in descending manner dtview.Sort = sortstring; 2.Create another table where you can save your sorted dataview DataTable dtsort =dtview.ToTable (); Share Improve this answer Follow edited Aug 2, 2024 at 13:41 Inder WebYou need to choose a Property to sort by and pass it as a lambda expression to OrderByDescending like: .OrderByDescending (x => x.Delivery.SubmissionDate); Really, though the first version of your LINQ statement should work. Is t.Delivery.SubmissionDate actually populated with valid dates? Share Improve this answer Follow floating elements invision