WebSep 30, 2016 · The best way to know for sure would be to profile both methods. First, do select to your datatable, then get the row index with For Each. Dim result () As DataRow = tblchk.Select ("Device_No ='" & TxtBarcode.Text & "'") For Each row As DataRow In result MsgBox (row.Table.Rows.IndexOf (row)) ''this is for row index value Next.
DataTable: How to get item value with row name and …
WebApr 11, 2016 · You want to use the DataTable Select method which will return an array of DataRow objects. DataRow [] result = myTable.Select ("Department = 'Engineering'"); Just replace 'myTable' with your DataTable. Here is some reference info for the Select method. http://www.dotnetperls.com/datatable-select WebBecause, I can use table.row ( {category_id:12}) but this only return 1 row. logically. Actually, I need data from selected rows for more operations. You need to use rows (), instead of row (), to return more than one row. As far as I know using {category_id:12} as a row selector isn't going to find the rows based on the data. イラク 外相
Search DataTable by column for a specific row
WebGet data for all rows in the table: var table = $ ('#example').DataTable (); var allData = table.rows ().data (); integer DataTables stores each row internally with a row index for fast look up of row information. When the selector is given as an integer, this value represents a row index ( rows ().indexes () / row ().index () ). Row index 0 data: WebPrivate Sub GetRowsByFilter() Dim table As DataTable = DataSet1.Tables("Orders") ' Presuming the DataTable has a column named Date. Dim expression As String expression = "Date > #1/1/00#" Dim foundRows() As DataRow ' Use the Select method to find all rows matching the filter. WebJun 24, 2014 · 2 Answers Sorted by: 29 Assuming that you get a duplicate record when the value of the first column is identical for two or more rows: var duplicates = dt.AsEnumerable ().GroupBy (r => r [0]).Where (gr => gr.Count () > 1); Here is an example: p0 clime\u0027s