protected void Button1_Click(object sender, EventArgs e)
{
int laps, length, mins, cals;
if (int.TryParse(TextBox1.Text, out laps) &&
int.TryParse(TextBox2.Text, out length) &&
int.TryParse(TextBox3.Text, out mins) &&
int.TryParse(TextBox4.Text, out cals))
{
SwimCalcResult calcResult = SwimCalc.PerformCalculation(laps, length, mins, cals);
StringBuilder builder = new StringBuilder();
builder.AppendFormat("Distance: {0:F2} miles\n", calcResult.Distance);
builder.AppendFormat("Calories Burned: {0:F0}\n", calcResult.Calories);
builder.AppendFormat("Pace: {0:F0} sec/lap\n", calcResult.Pace);
TextBox5.Text = builder.ToString();
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
}
else
{
int laps, length, mins, cals;
if (int.TryParse(lapsInput.Value, out laps) &&
int.TryParse(lengthInput.Value, out length) &&
int.TryParse(minsInput.Value, out mins) &&
int.TryParse(calsInput.Value, out cals))
{
try
{
SwimCalcResult calcResult = SwimCalc.PerformCalculation(laps, length, mins, cals);
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append("<b>Result</b>");
stringBuilder.AppendFormat("<p>Distance: {0:F2} miles</p>", calcResult.Distance);
stringBuilder.AppendFormat("<p>Calories Burned: {0:F0}</p>", calcResult.Calories);
stringBuilder.AppendFormat("<p>Pace : {0:F0} sec/lap</p>", calcResult.Pace);
// set the results text
results.InnerHtml = stringBuilder.ToString();
// clear the stringBuilder so we can reuse it
stringBuilder.Clear();
stringBuilder.Append("<b>Previous results</b>");
// get the previous results if they are in the view data
/*
* if (ViewState["lastResults"] != null)
* {
* float[] oldDataArray = (float[])ViewState["lastResults"];
* stringBuilder.AppendFormat("<p>Distance: {0:F2} miles<p>", oldDataArray[0]);
* stringBuilder.AppendFormat("<p>Calories Burned: {0:F0}", oldDataArray[1]);
* stringBuilder.AppendFormat("<p>Pace: {0:F0} sec/lap</p>", oldDataArray[2]);
* } else
* {
* stringBuilder.Append("<p>No previous results are available<p>");
* }
* // set the view state data
* ViewState["lastResults"] = new float[] { calcResult.Distance, calcResult.Calories, calcResult.Pace };
*/
// get the previous result of they are in the session state
if (Session["lastResults"] != null)
{
SwimCalcResult oldData = (SwimCalcResult)Session["lastResults"];
stringBuilder.AppendFormat("<p>Distance: {0:F2} miles<p>", oldData.Distance);
stringBuilder.AppendFormat("<p>Calories Burned: {0:F0}", oldData.Calories);
stringBuilder.AppendFormat("<p>Pace: {0:F0} sec/lap</p>", oldData.Pace);
}
else
{
stringBuilder.Append("<p>No previou results are available</p>");
}
Session["lastResults"] = calcResult;
//You may also use Application state in place of Session state like this if (Application["lastResult"] != null) {...} ...
oldResults.InnerHtml = stringBuilder.ToString();
}
catch (ArgumentOutOfRangeException)
{
results.InnerText = "Error: parameter out of range";
}
}
else
{
results.InnerText = "Error: could not process input values";
}
}
// Settng default values
lapsInput.Value = "1";
lengthInput.Value = "20";
minsInput.Value = "60";
calsInput.Value = "1070";
}