ODBC et CSharp

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Nuget package: System.Data.Odbc

Csharp.svg
// use an ODBC DSN name
using var odbcConnection = new OdbcConnection("DSN=MyConnection");

var odbcDataAdapter = new OdbcDataAdapter("SELECT * FROM table WHERE validity_date < ?", odbcConnection);
odbcDataAdapter.SelectCommand.Parameters.Add("@date", OdbcType.DateTime).Value = maxLimitDate;

var dataTable = new DataTable();
odbcConnection.Open();
odbcDataAdapter.Fill(dataTable);

Console.WriteLine(string.Join("\n", dataTable.AsEnumerable().Select(x => string.Join(" , ", x.ItemArray)));