SqlDataReader.GetSchemaTable() : SqlDataReader « System.Data.SqlClient « C# / C Sharp by API

1. C# / C Sharp by API
2. System.Data.SqlClient
3. SqlDataReader

SqlDataReader.GetSchemaTable()

 


using System;
using System.Data;
using System.Data.SqlClient;

class SchemaOnlyCommandBehavior {
    public static void Main() {
        SqlConnection mySqlConnection = new SqlConnection("server=localhost;database=Northwind;uid=sa;pwd=sa");

        SqlCommand mySqlCommand = mySqlConnection.CreateCommand();
        mySqlCommand.CommandText = "SELECT ProductID, ProductName, UnitPrice FROM Products WHERE ProductID = 1";

        mySqlConnection.Open();
        SqlDataReader productsSqlDataReader = mySqlCommand.ExecuteReader(CommandBehavior.SchemaOnly);
        DataTable myDataTable = productsSqlDataReader.GetSchemaTable();

        foreach (DataRow myDataRow in myDataTable.Rows) {
            foreach (DataColumn myDataColumn in myDataTable.Columns) {
                Console.WriteLine(myDataColumn + "= " + myDataRow[myDataColumn]);
                if (myDataColumn.ToString() == "ProviderType") {
                    Console.WriteLine(myDataColumn + "= " + ((System.Data.SqlDbType)myDataRow[myDataColumn]));
                }
            }
        }

        productsSqlDataReader.Close();
        mySqlConnection.Close();
    }
}

   
  

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