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

class MainClass {
    public static void Main() {
        using (OleDbConnection con = new OleDbConnection()) {
            con.ConnectionString = "Provider=SQLOLEDB;" +     
                @"Data Source=.sqlexpress;" + 
                "Initial Catalog=Northwind;" + 
                "Integrated Security=SSPI";    

            con.Open();

            if (con.State == ConnectionState.Open) {
                Console.WriteLine("  Timeout = " + con.ConnectionTimeout);
            } else {
                Console.WriteLine("OleDbConnection failed to open.");
                Console.WriteLine("  Connection State = " + con.State);
            }
        }
    }
}

    

using System;
using System.Data;
using System.Data.OleDb;

class ExecuteTableDirect
{
public static void Main()
{
OleDbConnection myOleDbConnection =new OleDbConnection(“provider=sqloledb;server=(local)SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI”);
OleDbCommand myOleDbCommand = myOleDbConnection.CreateCommand();

myOleDbCommand.CommandType = CommandType.TableDirect;

myOleDbCommand.CommandText = “Employee”;

myOleDbConnection.Open();

OleDbDataReader myOleDbDataReader = myOleDbCommand.ExecuteReader();

for (int count = 1; count <= 2; count++) { myOleDbDataReader.Read(); Console.WriteLine("myOleDbDataReader[" ID"] = " + myOleDbDataReader["ID"]); Console.WriteLine("myOleDbDataReader[" FirstName"] = " + myOleDbDataReader["FirstName"]); Console.WriteLine("myOleDbDataReader[" LastName"] = " + myOleDbDataReader["LastName"]); } myOleDbDataReader.Close(); myOleDbConnection.Close(); } } [/csharp]

using System;
using System.Data;
using System.Data.Odbc;

class CommandOdbcExample{

static void Main() {
OdbcConnection thisConnection = new OdbcConnection(“DRIVER={MySQL ODBC 3.51 Driver};SERVER=localhost;DATABASE=test;UID=root;PASSWORD=;”);

OdbcCommand nonqueryCommand = thisConnection.CreateCommand();

try {
thisConnection.Open();

nonqueryCommand.CommandText = “CREATE TABLE MyTable (MyName VARCHAR (30), MyNumber integer)”;
Console.WriteLine(nonqueryCommand.CommandText);
nonqueryCommand.ExecuteNonQuery();

nonqueryCommand.CommandText = “INSERT INTO MyTable VALUES (?, ?)”;

nonqueryCommand.Parameters.Add(“@MyName”, OdbcType.VarChar, 30);
nonqueryCommand.Parameters.Add(“@MyNumber”, OdbcType.Int);

string[] names = { “A”, “B”, “C”, “D” } ;
int i;
for (i=1; i<=4; i++){ nonqueryCommand.Parameters["@MyName"].Value = names[i-1]; nonqueryCommand.Parameters["@MyNumber"].Value = i; Console.WriteLine(nonqueryCommand.CommandText); Console.WriteLine("Number of Rows Affected is: {0}", nonqueryCommand.ExecuteNonQuery()); } nonqueryCommand.CommandText = "SELECT MyName, MyNumber FROM MyTable"; OdbcDataReader thisReader = nonqueryCommand.ExecuteReader(); while (thisReader.Read()) { Console.WriteLine("Name and Number: {0} {1}", thisReader.GetValue(0), thisReader.GetValue(1)); } thisReader.Close(); nonqueryCommand.CommandText = "DROP TABLE MyTable"; nonqueryCommand.ExecuteNonQuery(); } catch (OdbcException ex) { Console.WriteLine(ex.ToString()); } finally { thisConnection.Close(); Console.WriteLine("Connection Closed."); } } } [/csharp]

using System;
using System.Data;
using System.Data.Odbc;

class CommandOdbcExample{

static void Main() {
OdbcConnection thisConnection = new OdbcConnection(“DRIVER={MySQL ODBC 3.51 Driver};SERVER=localhost;DATABASE=test;UID=root;PASSWORD=;”);

OdbcCommand nonqueryCommand = thisConnection.CreateCommand();

try {
thisConnection.Open();

nonqueryCommand.CommandText = “CREATE TABLE MyTable (MyName VARCHAR (30), MyNumber integer)”;
Console.WriteLine(nonqueryCommand.CommandText);
nonqueryCommand.ExecuteNonQuery();

nonqueryCommand.CommandText = “INSERT INTO MyTable VALUES (?, ?)”;

nonqueryCommand.Parameters.Add(“@MyName”, OdbcType.VarChar, 30);
nonqueryCommand.Parameters.Add(“@MyNumber”, OdbcType.Int);

// nonqueryCommand.Prepare();
string[] names = { “A”, “B”, “C”, “D” } ;
int i;
for (i=1; i<=4; i++){ nonqueryCommand.Parameters["@MyName"].Value = names[i-1]; nonqueryCommand.Parameters["@MyNumber"].Value = i; Console.WriteLine(nonqueryCommand.CommandText); Console.WriteLine("Number of Rows Affected is: {0}", nonqueryCommand.ExecuteNonQuery()); } nonqueryCommand.CommandText = "SELECT MyName, MyNumber FROM MyTable"; OdbcDataReader thisReader = nonqueryCommand.ExecuteReader(); while (thisReader.Read()) { Console.WriteLine("Name and Number: {0} {1}", thisReader.GetValue(0), thisReader.GetValue(1)); } thisReader.Close(); nonqueryCommand.CommandText = "DROP TABLE MyTable"; nonqueryCommand.ExecuteNonQuery(); } catch (OdbcException ex) { Console.WriteLine(ex.ToString()); } finally { thisConnection.Close(); Console.WriteLine("Connection Closed."); } } } [/csharp]

using System;
using System.Data;
using System.Data.Odbc;

class CommandOdbcExample{

static void Main() {
OdbcConnection thisConnection = new OdbcConnection(“DRIVER={MySQL ODBC 3.51 Driver};SERVER=localhost;DATABASE=test;UID=root;PASSWORD=;”);

OdbcCommand nonqueryCommand = thisConnection.CreateCommand();

try {
thisConnection.Open();

nonqueryCommand.CommandText = “CREATE TABLE MyTable (MyName VARCHAR (30), MyNumber integer)”;
Console.WriteLine(nonqueryCommand.CommandText);
nonqueryCommand.ExecuteNonQuery();

nonqueryCommand.CommandText = “INSERT INTO MyTable VALUES (?, ?)”;

nonqueryCommand.Parameters.Add(“@MyName”, OdbcType.VarChar, 30);
nonqueryCommand.Parameters.Add(“@MyNumber”, OdbcType.Int);

// nonqueryCommand.Prepare();
string[] names = { “A”, “B”, “C”, “D” } ;
int i;
for (i=1; i<=4; i++){ nonqueryCommand.Parameters["@MyName"].Value = names[i-1]; nonqueryCommand.Parameters["@MyNumber"].Value = i; Console.WriteLine(nonqueryCommand.CommandText); Console.WriteLine("Number of Rows Affected is: {0}", nonqueryCommand.ExecuteNonQuery()); } nonqueryCommand.CommandText = "SELECT MyName, MyNumber FROM MyTable"; OdbcDataReader thisReader = nonqueryCommand.ExecuteReader(); while (thisReader.Read()) { Console.WriteLine("Name and Number: {0} {1}", thisReader.GetValue(0), thisReader.GetValue(1)); } thisReader.Close(); nonqueryCommand.CommandText = "DROP TABLE MyTable"; nonqueryCommand.ExecuteNonQuery(); } catch (OdbcException ex) { Console.WriteLine(ex.ToString()); } finally { thisConnection.Close(); Console.WriteLine("Connection Closed."); } } } [/csharp]

   
 

using System;
using System.Diagnostics;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.Odbc;


public class MainClass {
    [STAThread]
    static void Main() {
        OdbcConnection cn;
        try {
            cn = new OdbcConnection();
            cn.ConnectionString = "driver={SQL Serve};server=.;uid=admin;pwd=pw;database=biblio";
            cn.Open();
        } catch (OdbcException ex) {
            if (ex.InnerException != null) {
                Debug.WriteLine("InnerException:" + ex.InnerException.Message);
            }
            MessageBox.Show(ex.ToString());
            Debug.WriteLine("Message:" + ex.Message.ToString());
            Debug.WriteLine("Source:" + ex.Source.ToString());
            Debug.WriteLine("StackTrace:" + ex.StackTrace.ToString());
            Debug.WriteLine("TargetSite:" + ex.TargetSite.ToString()); // Not in OleDB

            if (ex.HelpLink != null) {
                Debug.WriteLine("HelpLink:" + ex.HelpLink);
            }
        }
    }
}

    

   


using System;
using System.Data; 
using System.Data.Odbc; 

class OdbcProvider
{
   static void Main(string[] args)
   {
      string connString = @"dsn=northwindodbc";
      string sql = @"select * from employees";

      OdbcConnection conn = null;
      OdbcDataReader reader = null;

      try {
         conn = new OdbcConnection(connString);
         conn.Open();

         OdbcCommand cmd = new OdbcCommand(sql, conn);
         reader = cmd.ExecuteReader();

         Console.WriteLine(
            "Querying database {0} with query {1}
"
            , conn.Database
            , cmd.CommandText
            );
         Console.WriteLine("First Name	Last Name
");

         while(reader.Read()) {
            Console.WriteLine(
               "{0} | {1}" 
               , reader["FirstName"].ToString().PadLeft(10) 
               , reader[1].ToString().PadLeft(10)
               );
         }
      } catch (Exception e) {
         Console.WriteLine("Error: " + e);
      } finally {
         reader.Close();
         conn.Close();
      }
   }
}