protected void btnMin_Click(object sender, EventArgs e)
 {
     lblError.Text = "";
     clsCalculations DataManager = new clsCalculations();
     if (DataManager.Count != 0)
     {
         txtOutput.Text = Convert.ToString(DataManager.Min);
     }
     else
     {
         lblError.Text = "Please enter a Data Value";
     }
 }
 protected void btnAdd_Click(object sender, EventArgs e)
 {
     clsCalculations DataManager = new clsCalculations();
     Decimal AValue;
     lblError.Text = "";
     try
     {
         AValue = Convert.ToDecimal(txtInput.Text);
         DataManager.Add(AValue);
         txtInput.Text = "";
     }
     catch
     {
         lblError.Text = "Please enter a Data Value";
     }
 }
 protected void Button1_Click(object sender, EventArgs e)
 {
     clsCalculations DataManager = new clsCalculations();
     DataManager.Clear();
 }