C#

StringDictionary lookup = new StringDictionary();
using (StringReader reader = new StringReader(httpString))
{
  string methodAndRequest = reader.ReadLine();
  if (methodAndRequest != null)
  {
    line = reader.ReadLine();
    while (line != null)
    {
      // If the line is only a newline (as defined for HTTP), break.
      if (line == "\r\n") break;
 
      string[] header = line.Split(new char[] {':'}, 1);
      if (header.Length == 2)
        lookup.Add(header[0].Trim(), header[1].Trim());
    }
  }
}
// Get the value of the Host: header
Console.WriteLine(lookup["Host"]);

DateTime base = DateTime.Parse("1.1.1900");
DateTime fromExcel = base.AddDays(serial);

class MainForm
{
  public static MainForm Instance
  {
    get
    {
      if (MainForm.instance == null)
        MainForm.instance = new MainForm();
      return MainForm.instance;
    }
  }
  private static MainForm instance;

  protected MainForm()
  {
  }
}

DataGridTableStyle style = new DataGridTableStyle();
style.MappingName = "myDataTable";

DataGridColumnStyle colStyle = new DataGridTextBoxColumn();
colStyle.MappingName = "col1";
style.GridColumnStyles.Add(colStyle);

colStyle = new DataGridTextBoxColumn();
colStyle.MappingName = "col2";
style.GridColumnStyles.Add(colStyle);

colStyle = new DataGridTextBoxColumn();
colStyle.MappingName = "col3";
colStyle.Width = 0;
style.GridColumnStyles.Add(colStyle);

dataGrid1.TableStyles.Add(style);