WebSep 15, 2024 · The where clause is used in a query expression to specify which elements from the data source will be returned in the query expression. It applies a Boolean condition ( predicate) to each source element (referenced by the range variable) and returns those for which the specified condition is true. WebSep 1, 2024 · This could be the solution: var result = dsGrades.Tables [0].Select ("Convert (MarksFrom, 'System.Decimal') >=" + newMarks + " And Convert (MarksTo, 'System.Decimal') < " newMarks + 1); From my …
Stored procedure return into DataSet in C# .Net - Stack Overflow
WebSep 2, 2010 · You are assuming you have rows in your DataSet. Instead of if ( (ds.Tables [0].Rows [0] ["IsConfirmed"]).ToString () == "True" && (ds.Tables [0].Rows [0] ["Active"]).ToString () == "N") you should do something like WebMay 3, 2024 · You can use DataView. DataView dv = new DataView (yourDatatable); dv.RowFilter = "query"; // query example = "id = 10" http://www.csharp-examples.net/dataview-rowfilter/ Share Follow answered Oct 22, 2012 at 13:39 Kadir 3,014 4 37 57 exactly what I needed! thanks for the example link! – Richard Varno Oct 3, 2013 … dying.light 2 crossplay
c# - Dataset in an If condition - Stack Overflow
WebC# public System.Data.DataRow [] Select (); Returns DataRow [] An array of DataRow objects. Examples The following example returns an array of DataRow objects through the Select method. C# private void GetRows() { // Get the DataTable of a DataSet. WebTo return a column value from a table in a dataset in C#, you can use the following code: csharp// Assume that the dataset is named "myDataSet" and the table is named "myTable" // Get the first row of the table DataRow row = myDataSet.Tables["myTable"].Rows[0]; // Get the value of the "columnName" column in the row object value = row["columnName"]; WebFeb 7, 2012 · Correct, you get true if there is any record in the DataSet no matter in which table. If you want to make sure all tables have a record: bool HasRecords (DataSet dataSet) { bool res = true; foreach (DataTable dt in dataSet.Tables) if (dt.Rows.Count == 0) res = false; return res; } – Tomek Feb 7, 2012 at 10:11 Add a comment 0 crystal reports include null values