WebMar 27, 2016 · There are the following 3 ways to convert a DataTable to a List. Using a Loop. Using LINQ. Using a Generic Method. For this example, I am creating a simple Student class like: C#. public class Student { public int StudentId { get; set; } public string StudentName { get; set; } public string Address { get; set; } public string MobileNo { get ... WebSo your solution is close, and I know this is over four months old, but to help others out. I was having the same issue and finally got it to work.
C#网格控件(List列表和DataTable数据表)操作 - CSDN博客
WebApr 30, 2012 · Convert DataRow to an array or list. I have the code below. DataTable dt = dbaccess.GetDataTable ("TEST"); // get datatable List drlist = dt.AsEnumerable ().ToList (); // each row only has one element. StringBuilder sb = new StringBuilder (); foreach (string str in drlist) { sb.Append (str) } The question is drlist is not an array or ... WebWe then use the AsEnumerable extension method to convert the DataTable to an IEnumerable, and use the Select method to extract the "Name" column from … dr theo cramer
c# - How to insert a new row in excel using oledb c#.net
WebFeb 22, 2024 · Now in another function that I am passing my dt DataTable to, I am creating a list of DataRow and initializing as below: List rows = dt.Select([LAN ID]= ' ABC123' ).ToList(); It will select all the rows having 'ABC123' in the LAN ID column. WebAug 10, 2024 · This is a simple use case. If you want to get an string array of the full name. Below code will help you to get it. The below code concatenates the First Name and Last Name. And return a string array of full name. IList< string > studentNames = dtStudents.AsEnumerable ().Select (item => string .Format ( " {0}, {1}", item [ … WebJul 10, 2015 · 1 Answer. List results = dt.Select () .Select (dr => dr.ItemArray .Select (x => x.ToString ()) .ToArray ()) .ToList (); This only works if the items stored in dr.ItemArray have overriden .ToString () in a meaningful way. Luckily the primitive types do. dr theocharous erskine park