C#

List<Label>myLabels = new List<Label>();
...
myLabels.Add(lblName1);
myLabels.Add(lblName2);
myLabels.Add(lblName3);
myLabels.Add(lblName4);
...
foreach (Label lab in myLabels)
   {
   lab.Text = txtName.Text;
   }

for (int i = 0; i < 4; i++)
{
    (FindControl("lblName" + i.ToString()) as Label).Text = txtName.Text;
}

for (int i = 0; i < 4; i++) FindControl("lblName" + i).Text = txtName.Text;

Luc Pattyn wrote:

as each Control has a Text property, so no need to cast

I wrote:

as each Control has a Text property

foreach ( Control c in this.Controls )
{
    if ( c is CheckBox )
    {
	( ( CheckBox )c ).Checked = false;
    }
}

str.Substring(str.IndexOf(",") + 1).TrimStart();//the TrimStart eliminates the white space after the "I,"

string[] parts = strMessage.Split(",");
for (int i = 0; i < parts.Length; i++)
{
    parts[i] = parts[i].Trim();
}
dataGridView.Rows.Insert(0, parts);

Path="C:\MyFile.xml";

FileStream fs=new FileStream(path,FileMode.Create,FileAccess.ReadWrite);
StreamWriter sw=new StreamWriter(fs,Text.Encoding.UTF8);
sw.Write(xmlDoc.OuterXml);
sw.Close();
fs.Close();