C#

public static void test(ListBox lst, string tablename)<br />
{<br />
string str = "Select [username] from @table";<br />
SqlConnection myConn = new SqlConnection("Server=(local);Integrated security=SSPI;database=halkdanis");<br />
SqlCommand cmd = new SqlCommand(str,myConn);<br />
cmd.Parameters.Add("@table",tablename);<br />
myConn.Open();<br />
<br />
try<br />
{<br />
SqlDataReader reader = cmd.ExecuteReader(); // error points here<br />
while(reader.Read()) <br />
{<br />
lst.Items.Add(reader.GetString(0)); //since we only asked for one colume, just get string from col 0<br />
}<br />
}<br />
catch(SqlException e)<br />
{<br />
 System.Diagnostics.Trace.WriteLine(e.message);<br />
}<br />
finally<br />
{<br />
reader.Close();//close reader<br />
myConn.Close();//close connection<br />
}<br />
<br />
}

SqlDatareader reader = null;<br />
try<br />
{<br />
  reader = cmd.ExeuteReader();<br />
...

protected override void OnPaint(PaintEventArgs args) {
Graphics g = args.Graphics;
Pen pen = new Pen(Color.Black, 2);
Point p3 = new Point(40,125);
Point p4 = new Point(55, 125);
g.DrawLine(pen, p3, p4);
}

<br />
using System;<br />
using System.Net;<br />
using System.Text;<br />
using System.IO;<br />
<br />
<br />
public class Test<br />
{<br />
	// Specify the URL to receive the request.<br />
	public static void Main (string[] args)<br />
	{<br />
		HttpWebRequest request = (HttpWebRequest)WebRequest.Create (@"http://www.site.com");<br />
<br />
		// Set some reasonable limits on resources used by this request<br />
		request.MaximumAutomaticRedirections = 4;<br />
		request.MaximumResponseHeadersLength = 4;<br />
		// Set credentials to use for this request.<br />
		request.Credentials = CredentialCache.DefaultCredentials;<br />
		HttpWebResponse response = (HttpWebResponse)request.GetResponse ();<br />
<br />
		Console.WriteLine ("Content length is {0}", response.ContentLength);<br />
		Console.WriteLine ("Content type is {0}", response.ContentType);<br />
             <br />
		// Get the stream associated with the response.<br />
		Stream receiveStream = response.GetResponseStream ();<br />
<br />
		// Pipes the stream to a higher level stream reader with the required encoding format. <br />
		StreamReader readStream = new StreamReader (receiveStream, Encoding.UTF8);<br />
		<br />
		StreamWriter w = new StreamWriter("ciao.txt");<br />
		w.WriteLine(readStream.ReadToEnd());<br />
<br />
		Console.WriteLine ("Response stream received.");<br />
		Console.WriteLine (readStream.ReadToEnd ());<br />
		response.Close ();<br />
		readStream.Close ();<br />
		Console.ReadLine();<br />
	}<br />
}<br />