C# create DataTable
DataTable dt = new DataTable();
dt.Clear();
dt.Columns.Add("Name");
dt.Columns.Add("Marks");
DataRow _ravi = dt.NewRow();
_ravi["Name"] = "ravi";
_ravi["Marks"] = "500";
dt.Rows.Add(_ravi);C# create DataTable
DataTable dt = new DataTable();
dt.Clear();
dt.Columns.Add("Name");
dt.Columns.Add("Marks");
DataRow _ravi = dt.NewRow();
_ravi["Name"] = "ravi";
_ravi["Marks"] = "500";
dt.Rows.Add(_ravi);c# datatable to linq
//You can't query against the DataTable's Rows collection, since
//DataRowCollection doesn't implement IEnumerable<T>.
//You need to use the AsEnumerable() extension for DataTable
var results = from myRow in myDataTable.AsEnumerable()
where myRow.Field<int>("RowNo") == 1
select myRow;
//AsEnumerable() returns IEnumerable<DataRow>.
//If you need to convert IEnumerable<DataRow> to a DataTable,
//use the CopyToDataTable()linq datatable
//Reference System.Data.DataSetExtensions
//Be carefull to data types
int id = 1;
//one row
DataRow r = (from DataRow m in myTable.Rows where m.Field<int>("col_name") == id select m).FirstOrDefault();
//list of rows
List<DataRow> r = (from DataRow m in myTable.Rows where m.Field<int>("col_name") == id select m).ToList();LINQ query on a DataTable C#
var results = from myRow in myDataTable.AsEnumerable()
where myRow.Field<int>("RowNo") == 1
select myRow;Copyright © 2021 Codeinu
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