C#

string temp = textBox1.Text.ToString();

<br />
// Convert from Unicode string to ASCII-Byte-Array<br />
Byte[] lbASCII = System.Text.Encoding.ASCII.GetBytes(textBox1.Text);<br />
<br />
// Convert from Unicode string to Unicode-Byte-Array <br />
// (each unicode character is 16-bit, so use 2 bytes)<br />
Byte[] lbUnicode = System.Text.Encoding.Unicode.GetBytes(textBox1.Text);<br />

<br />
// Convert from ASCII-Byte-Array to Unicode string<br />
string lsString1 = System.Text.Encoding.ASCII.GetString(lbASCII);<br />
<br />
// Convert from Unicode-Byte-Array to Unicode string<br />
// (each unicode character is 16-bit, so use 2 bytes)<br />
string lsString2 = System.Text.Encoding.Unicode.GetString(lbUnicode);<br />

<br />
namespace theGlobals<br />
{<br />
	public class myGlobals<br />
	{<br />
		static public string myGlobal1;<br />
		static public string myGlobal2;<br />
	}<br />
}<br />

<br />
myGlobals blah = new(myGlobals());<br />

<br />
myGlobals.myGlobal1 = "test";<br />

Public Class Form2()<br />
{<br />
 textBox1.Text = globalVar ;            //cant initialize globalVar<br />
 ..<br />
}

Public Class Form2()<br />
{<br />
 Form1 myForm1 = new Form1();<br />
 textBox1.Text = myForm1.globalVar ;    //cant initialize globalVar<br />
 ..<br />
}

<br />
Public Class Form1() : System.Windows.Forms.Form<br />
{<br />
 // declare your variable as public static to access it from other classes too<br />
 public static string globalVar = "500";<br />
 ..<br />
}<br />

<br />
Public Class Form2() : System.Windows.Forms.Form<br />
{<br />
 private void button1_Click(object sender, System.EventArgs e)<br />
 {<br />
  MessageBox.Show(Form1.globalVar);<br />
 }<br />
}<br />

<br />
string lsData = "";<br />
string[] lsStrArray = null;<br />
<br />
System.IO.StreamReader loStream = new System.IO.StreamReader("C:\\test.csv"); <br />
<br />
while ((lsData = loStream.ReadLine()) != null)<br />
{<br />
 // Read the stream by ReadLine, to just read til end of line<br />
 lsData = loStream.ReadLine();<br />
 lsStrArray = lsData.Split(';');<br />
 // ... <br />
}<br />
loStream.Close();<br />

<br />
// Instance for TCP connection<br />
System.Net.Sockets.TcpClient loTcp = new System.Net.Sockets.TcpClient();<br />
<br />
try {<br />
<br />
 loTcp.Connect("127.0.0.1", 80); // Host to send the data<br />
 System.Net.Sockets.NetworkStream loStream = loTcp.GetStream(); // Getting the connection stream<br />
<br />
 // Preparing the sending data<br />
 Byte[] lbOutData = System.Text.Encoding.ASCII.GetBytes("This is a text message!");<br />
<br />
 loStream.Write(lbOutData, 0, lbOutData.Length); // write the data to stream (send)<br />
<br />
 loTcp.Close(); // close the connection<br />
<br />
} catch (Exception loErr) {<br />
 MessageBox.Show("Network error: " + loErr.ToString()); // Error occured<br />
}<br />

<br />
Byte[] lbOutData = System.Text.Encoding.ASCII.GetBytes("This is a text message!");<br />
System.Net.Sockets.UdpClient loUdp = new System.Net.Sockets.UdpClient();<br />
			<br />
try <br />
{<br />
 loUdp.Send(lbOutData, lbOutData.Length, "127.0.0.1", 80);<br />
} <br />
 catch (Exception loErr) <br />
{<br />
 MessageBox.Show("Network error: " + loErr.ToString());<br />
}<br />