Get row number in foreach c#

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August undefined, 2024

WebSep 18, 2006 · collection to figure out the row number for every row. pradeep_TP said: Thank you Marina for your suggestion.. I have found the solution myself. Here is the code that I wrote. int rowNum; foreach (DataRow row in dataset.Tables [0].Rows) {. rowNum = dataset.Tables [0].Rows.IndexOf (row); WebDec 13, 2010 · A foreach loop doesn't have a loop counter of any kind. You can keep your own counter: int number = 1; foreach (var element in collection) { // Do something with element and number, number++; } or, perhaps easier, make use of LINQ's Enumerable.Select that gives you the current index:

c# - Use result of a foreach loop - Stack Overflow

WebIt does that because you tell it to in the for loop. Perhaps you should remove it. @foreach (var item in ViewBag.range) { } EDIT This will place the items inside of range into rows which have 6 … WebSep 15, 2024 · Hi I tried your exact requirement with creating a Object of List. I could get the expected result you require. Important is you have the Linq query which will give you the result. coast happy hour

c# - How to get the row number from a datatable? - Stack

WebMay 11, 2012 · 0. Row number isn't a property of a SQL-query result, other than the key - but I guess that's not what you are after. If you need it in the access-table, then you have … WebJun 30, 2016 · 1. 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. Example of a 2 column DataTable: DataTable dt = new DataTable (); // TODO: Insert data into DataTable foreach (DataRow row in dt.Select ()) { Console.WriteLine (); Console.WriteLine (row [0 ... WebAug 19, 2016 · 10 Is it possible to get a row value by giving column name when DataTable holds a single row, without iteration. foreach (DataRow row in dt.Rows) { string strCity = row ["City"].ToString (); } Table I need Something like below without loop when we have only one row, String cn=row ["ColumnName"].ToString () c# datatable Share Improve this … coast handheld lights

asp.net mvc - C# For each loop in a a table? - Stack Overflow

c# - How to iterate through a DataTable - Stack Overflow

WebMar 20, 2024 · 2 Answers Sorted by: 0 Try this foreach (var group in Model.GroupBy (item => item.seqno)) { foreach (var item in group) { @Html.DisplayFor (modelItem => item.degreeno) @Html.DisplayFor (modelItem => item.coursename) @group.Count () } } Share Improve this answer california travel ban to iowaWebDec 10, 2013 · You just start the counting on your website at startIndex. Here is a long winded answer. First create a class to house the number/item pair like so: public class NumberedItem { public readonly int Number; public readonly T Item; public NumberedItem (int number, T item) { Item = item; Number = number; } } coast harbour cruises sydney

"WebJun 7, 2015 · int i = 1; foreach (item x in bigList) { batchOperation.Insert (x); //replace it with your action; create the batch i++; if (i >100) { table.ExecuteBatch (batchOperation); //execute the batch batchOperation.Clear (); i = 1; // re-initialize } } if (batchOperation.Count >= 1 ) { table.ExecuteBatch (batchOperation); //do this for the residue items … " - Get row number in foreach c#

Get row number in foreach c#

c# - How to get the row number from a datatable?

WebApr 11, 2024 · Simple Iterator. The following example has a single yield return statement that is inside a for loop. In Main, each iteration of the foreach statement body creates a call to the iterator function, which proceeds to the next yield return statement.. static void Main() { foreach (int number in EvenSequence(5, 18)) { Console.Write(number.ToString() + " … WebSep 4, 2008 · With the later C# versions so you also use tuples, so you'll have something like this: foreach (var (item, i) in Model.Select ( (v, i) => (v, i))) Allows you to access the item and index (i) directly inside the for-loop with tuple …

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WebOct 2, 2013 · New to c#. How can I use the result of the foreach loop. I want to Insert the result into my data table. Give a name to column to be inserted foreach (DataRow row in objDataset1.Tables[0].Rows) {... WebJun 18, 2010 · DataTable dt ; // Your DataSource DataColumn dc = new DataColumn ("RowNo", typeof (int)); dt.Columns.Add (dc); int i = 0; foreach (DataRow dr in dt.Rows) { dr ["RowNo"] = i + 1; i++; } this.dataGridView1.DataSource = dt; Just do as shown in above code instead of doing changes in the Cell Values. Have checked n verifed the same its …

WebJan 12, 2024 · Tracking, no-tracking and identity resolution. Using SQL queries. Asynchronous programming. Additional resources. Querying efficiently is a vast subject, that covers subjects as wide-ranging as indexes, related entity loading strategies, and many others. This section details some common themes for making your queries faster, and … WebApr 14, 2024 · 다음 사이트에서는 DataSet (또는 DataTable 또는 List <>)를 " 정품 " Excel 2007 .xlsx 파일로 내보내는 방법을 보여 줍니다. OpenXML 라이브러리를 사용하므로 Excel을 서버에 설치할 필요가 없습니다. C# Export To Excel 라이브러리. 모든 소스 코드는 ASP와 함께 사용하는 설명서와 ...

Webstring finalName = string.Empty; foreach (row in Dataset) { finalName += row.name; } or use a StringBuilder: Stringbuilder sb = new StringBuilder (); foreach (row in Dataset) { sb.Append (row.Name); } string finalName = sb.ToString (); General for very small numbers of appends you won't notice a difference between the two versions. WebTo use this code, you'll need to replace "example.xlsx" with the path to your Excel file and "Sheet1" with the name of the worksheet you want to count rows in. If the worksheet is not found, the CountRows method will throw an ArgumentException. If the worksheet contains no rows, the method will return 0.

WebSep 15, 2024 · C# int[] numbers = { 4, 5, 6, 1, 2, 3, -2, -1, 0 }; foreach (int i in numbers) { System.Console.Write (" {0} ", i); } // Output: 4 5 6 1 2 3 -2 -1 0 For multi-dimensional arrays, elements are traversed such that the indices of the rightmost dimension are increased first, then the next left dimension, and so on to the left: C#

WebJul 16, 2016 · If you need the index of the item you're working with then using a foreach loop is the wrong method of iterating over the collection. Change the way you're looping so you have the index: for (int i = 0; i < dt.Rows.Count; i++) { // your index is in i var row = … coast hardware mariposa caWebMar 20, 2024 · Basically I want to go through all rows and check if the Value in Cells[row, 5] = nrNummer. If it does, I want the row number like 30 in realrow and return it. I dont … coast hamburg hhlaWebFeb 26, 2015 · foreach (DataRow row in myDataTable.Rows) { Console.WriteLine(row["ImagePath"]); } I am writing this from memory. Hope this gives you enough hint to understand the object model. DataTable-> DataRowCollection-> DataRow (which one can use & look for column contents for that row, either using columnName or … coast hangerWebOct 5, 2016 · Now handle the rest in the loop omitting the first (already handled) element: @foreach (OrderItem orderItem in invoice.OrderItems.Skip (1)) { @orderItem.Product.Title @orderItem.Quantity @orderItem.Product.Price @orderItem.TotalPrice } california travel ball varsity showcaseWebMar 5, 2015 · To get the index you can use the Cell object wihch has a CellReference property that gives the reference in the format A1, B1 etc. You can use that reference to extract the column number. As you probably know, in Excel A = 1, B = 2 etc up to Z = 26 at which point the cells are prefixed with A to give AA = 27, AB = 28 etc. Note that in the … coast handheld temperature sensorWebJan 31, 2024 · I have a search query where there are 4 parameters. User might provide value of one parameter or more than one parameter. 4 parameters are FirstName, LastName, ssn, DateofBirth Solution 1: You need And between your conditions instead of Or : Select * from person where ( @FirstName is null or FirstName = @FirstName ) And ( … coast harbourside hotel \u0026 marinaWebOct 7, 2024 · foreach (DataRow row in DataSet.Tables [0].Rows) { int rowIndex= (int) DataSet.Tables [0].Rows.IndexOf (row); } Thursday, May 14, 2015 11:21 AM … california treasurer meghann adams