Programmatically change the Title of SharePoint page

ContentPlaceHolder contentPlaceHolder = (ContentPlaceHolder)Page.Master.FindControl(strPlcaeHolderName);
 

contentPlaceHolder.Controls.Clear();
 

LiteralControl literalControl = new LiteralControl();
 

literalControl.Text = strDisplayText;
 

contentPlaceHolder.Controls.Add(literalControl);