ODBC et CSharp
De Banane Atomic
Aller à la navigationAller à la recherche
Connection and query
Nuget package: System.Data.Odbc
|
// 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("\t,\t", dataTable.Columns.Cast<DataColumn>().Select(x => x.ColumnName)));
Console.WriteLine(string.Join("\n", dataTable.AsEnumerable().Select(x => string.Join("\t,\t", x.ItemArray)));
|
Get the table names
|
|
var tableNames = odbcConnection.GetSchema("Tables")
.AsEnumerable()
.Where(r => r.Field<string>("TABLE_TYPE") == "TABLE")
.Select(x => x.ItemArray[2]);
Console.WriteLine(string.Join("\n", tableNames));
|
