Datatable to string list c#
Web之前写了个 List item.toDataTable() 这种链式调用的List转换为DataTable的方法,有两位热心的网友提出了存在的一些缺陷,如果传入的obj参数不是List而是单个object对 … WebJun 2, 2010 · What you can do is concatenate all the column in a single string and then add them in a list of string. To do that modify your query like 'CK' said. var data = (from a in db.CoA where a.ParentId == 0 && a.Asset == true select new { a.Asset.ToString() + …
Datatable to string list c#
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WebJul 4, 2012 · DataTable dt = new DataTable (); dt.Columns.Add (); dt.Columns.Add (); dt.Columns.Add (); List tempList = new List () { "a", "b", "c" }; dt.Rows.Add (tempList.ToArray ()); Share Improve this answer Follow answered Jul 4, 2012 at 12:29 VEDAVYAS BHAT 21 1 Add a comment Your Answer Post Your Answer Webprivate IEnumerable ConvertToTankReadings (DataTable dataTable) { var tankReadings = new List (); foreach (DataRow row in dataTable.Rows) { var tankReading = new TankReading { TankReadingsID = Convert.ToInt32 (row ["TRReadingsID"]), TankID = Convert.ToInt32 (row ["TankID"]), ReadingDateTime = Convert.ToDateTime (row …
WebOct 1, 2016 · List BrandsInDataTable = new List (); DataTable g = Access._ME_G_BrandsInPop (); if (g.Rows.Count > 0) { for (int x = 0; x < g.Rows.Count; x++) BrandsInDataTable.Add (g.Rows [x] ["Name"].ToString ()); } else return; Share Improve this answer Follow answered Oct 20, 2024 at 17:51 Leo Garza 41 5 Add a … WebMar 13, 2024 · StringBuilder 是一个可变的字符串类型,它在 C# 中是 System.Text 命名空间中的一个类。这意味着在使用 StringBuilder 类之前,你需要在你的代码中包含下面的语句: using System.Text; 你可以通过两种方式来创建 StringBuilder 对象: - 使用带有初始字符串的构造函数: StringBuilder sb = new StringBuilder("Initial string ...
WebI want to know how to transform a DataTable into a Dictionary. I did something like this. using System.Linq; internal Dictionary GetDict(DataTable dt) { return dt.AsEnume... WebMar 27, 2016 · C# List< Student > studentDetails = new List< Student > (); studentDetails = ConvertDataTable< Student > (dt); Change the Student class name and dt value based on your requirements. In this case, the DataTable column's name and class property name should be the same, otherwise this function will not work properly. Summary
WebAug 26, 2009 · I have a datatable that is comprised on one column. I want to add the data from the data table to a List. what is the syntax for doing this. · Hi, I hope it will …
WebJul 23, 2015 · public static DataTable ToDataTable (List items) { DataTable dataTable = new DataTable (typeof (T).Name); //Get all the properties PropertyInfo [] Props = typeof (T).GetProperties (BindingFlags.Public BindingFlags.Instance); foreach (PropertyInfo prop in Props) { //Setting column names as Property names dataTable.Columns.Add … city car mönchengladbach-rheydt tarifWebMar 1, 2024 · Convert DataTable to List using a Generic Method This is a generic method that will convert any type of DataTable to a List (the DataTable structure and List class structure should be the same). The following are the two functions in which if we pass a DataTable and a user defined class. dick\u0027s sporting goods super bowldick\u0027s sporting goods sunrise flWebOct 24, 2013 · First you need to spit the string appropriately to get a list of string arrays. Something like this: var patient_list = new List (strMLMPatientData.Split (';').Select (x => x.Split (','))); or even better: var patient_list = strMLMPatientData.Split (';').Select (x => x.Split (',')).ToList (); You need Linq for that, but you get the idea. dick\u0027s sporting goods super storeWebJan 24, 2024 · You need to change the code from List column1List = (returnDataTable.AsEnumerable ().Select (x => x ["Column1"].ToString ()).ToList ()).Distinct (); List column1List = (returnDataTable.AsEnumerable ().Select (x => x ["Column1"].ToString ()).Distinct ().ToList (); Share Improve this answer Follow edited … city car monzaWebJun 30, 2016 · An alternative method in getting a list of DataRow is to Select () the DataTable. It returns a DataRow [] that can easily be converted into a list. DataTable dt = new DataTable (); // TODO: Insert data into DataTable foreach (DataRow row in dt.Select ()) { Console.WriteLine (); Console.WriteLine (row [0].ToString ()); Console.WriteLine … dick\u0027s sporting goods sunrise mallWebDec 15, 2024 · private static void ConvertUsingForEach(DataTable table) { var categoryList = new List (table.Rows.Count); foreach (DataRow row in table.Rows) { var values = row.ItemArray; var category = new Category … city car monschau