private void CalculateBMIButton_Click(object sender, EventArgs e)
{
double bmi = 0.0;
double height = 0.0;
double weight = 0.0;
try
{
height = double.Parse(HeightTextBox.Text);
}
catch
{
MessageBox.Show("好好輸入身高可以嗎?");
HeightTextBox.Text = string.Empty;
HeightTextBox.Focus();
return;
}
try
{
weight = double.Parse(WeightTextBox.Text);
}
catch
{
MessageBox.Show("好好輸入體重可以嗎?");
WeightTextBox.Text = string.Empty;
WeightTextBox.Focus();
return;
}
height = height / 100.0;
bmi = weight / (height * height);
MessageBox.Show(string.Format("BMI: {0}", bmi.ToString("#.##")));
}
private void CalculateBMIButton_Click(object sender, EventArgs e)
{
int height = 0;
float weight = 0.0f;
float bmi = 0.0f;
try
{
height = int.Parse(HeightTextBox.Text);
}
catch
{
MessageBox.Show("拜託請輸入身高!");
HeightTextBox.Text = ""; //TextBox清空
HeightTextBox.Focus(); //游標位置
return;
}
try
{
weight = float.Parse(WeightTextBox.Text);
}
catch
{
MessageBox.Show("拜託請輸入體重!");
WeightTextBox.Text = ""; //TextBox清空
WeightTextBox.Focus(); //游標位置
return;
}
bmi = weight / ((height / 100.0f) * (height / 100.0f));
MessageBox.Show(string.Format("BMI:{0}", bmi.ToString("#.##")));
}
/// <summary>
/// This method clears all the fields in the form
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ClearButton_Click_1(object sender, EventArgs e)
{
HeightTextBox.Clear();
WeightTextBox.Clear();
BMIResultTextBox.Clear();
BMIScaleTextBox.Clear();
HeightTextBox.Focus();
}
private void CalculateBMIButton_Click(object sender, EventArgs e)
{
int height = 0;
float weight = 0.0f;
float bmi = 0.0f;
try
{
height = int.Parse(HeightTextBox.Text);
}
catch
{
MessageBox.Show("請輸入身高!!");
HeightTextBox.Text = "";
HeightTextBox.Focus();
return;
}
try
{
weight = float.Parse(WeightTextBox.Text);
}
catch
{
MessageBox.Show("請輸入體重!!");
WeightTextBox.Text = "";
WeightTextBox.Focus();
return;
}
bmi = weight / ((height / 100.0f) * (height / 100.0f));
//TODO 如果bmi大於24 或 bmi 小於 18 不健康
//TODO 顯示不健康的提示
//TODO 不然顯示健康的提示
if (bmi >= 18.5 && bmi <= 24.9)
{
MessageBox.Show(string.Format("BMI:{0}", bmi.ToString("#.##")));
BmiLabel.Text = ("BMI：" + bmi.ToString("#.##"));
StatusLabel.Text = ("健康狀態：非常健康");
}
else
{
MessageBox.Show(string.Format("BMI:{0}", bmi.ToString("#.##")));
BmiLabel.Text = ("BMI：" + bmi.ToString("#.##"));
StatusLabel.Text = ("健康狀態：不健康唷");
}
}
/// <summary>
/// This method checks of the value entered is valid.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonCalculate_Click(object sender, EventArgs e)
{
try
{
height = Convert.ToDouble(HeightTextBox.Text);
weight = Convert.ToDouble(WeightTextBox.Text);
CalculateBMI(height, weight);
}
catch (Exception)
{
MessageBox.Show("Invalid number");
HeightTextBox.Clear();
WeightTextBox.Clear();
HeightTextBox.Focus();
}
}
private void BmiButton_Click(object sender, EventArgs e)
{
float height = 0.0f;
float weight = 0.0f;
float bmi = 0.0f;
try
{
height = float.Parse(HeightTextBox.Text);
}
catch
{
BmiStatusLabel.Text = "請輸入身高!";
BmiStatusLabel.ForeColor = Color.Blue;
HeightTextBox.Text = ""; //TextBox清空
HeightTextBox.Focus(); //游標位置
return;
}
try
{
weight = float.Parse(WeightTextBox.Text);
}
catch
{
BmiStatusLabel.Text = "請輸入體重!";
BmiStatusLabel.ForeColor = Color.Blue;
WeightTextBox.Text = ""; //TextBox清空
WeightTextBox.Focus(); //游標位置
return;
}
bmi = weight / ((height / 100.0f) * (height / 100.0f));
if (bmi > 24 || bmi < 18)
{
BmiStatusLabel.Text = "BMI = " + bmi.ToString("##.##") + "，BMI異常，請注意健康";
BmiStatusLabel.ForeColor = Color.Red;
}
else
{
BmiStatusLabel.Text = "BMI = " + bmi.ToString("##.##") + "，BMI正常";
BmiStatusLabel.ForeColor = Color.Green;
}
}
private void CalculateBMIButton_Click(object sender, EventArgs e)
{
// Declare local variables to store input and calculated values
double height = 0;
double weight = 0;
double bmi = 0;
// Determine height is not a numeric value
if (!double.TryParse(HeightTextBox.Text, out height))
{
MessageBox.Show("Height must be a numeric value", "Invalid Input!");
HeightTextBox.Focus();
}
// Determine weight is not a numeric value
else if (!double.TryParse(WeightTextBox.Text, out weight))
{
MessageBox.Show("Weight must be a numeric value", "Invalid Input!");
WeightTextBox.Focus();
}
else // If both inputs are OK then calculate the BMI
{
// Determine which measurement units has selected
if (ImperialRadioButton.Checked)
{
// If imperial unit has selected
bmi = (weight * 703) / (height * height);
}
else
{
// If metric unit has selected
bmi = weight / (height * height);
}
// Display calculated BMI
BmiTextBox.Text = bmi.ToString("N2");
// Call DisplayResult() method to display BMI status and update progress bar
DisplayResult(bmi);
}
}
//Calculate Button+++++++++++++++++++++++++++++++++++++++++++++
private void CalculateButton_Click(object sender, EventArgs e)
{
//declear local variables
double height, weight, chest, bMI, cMI;
try
{
//convert to numbers
height = Convert.ToDouble(HeightTextBox.Text);
weight = Convert.ToDouble(WeightTextBox.Text);
//each textbox can't be empty
if (HeightTextBox.Text == "" || WeightTextBox.Text == "")
{
MessageBox.Show("All the text box can't be empty!");
}
//height or weight can't be negative or zero
else if (height <= 0 || weight <= 0)
{
MessageBox.Show("Height or Weight can't be negative or zero!");
HeightTextBox.Focus();
HeightTextBox.SelectAll();
}
else if (height > 0 || weight > 0)
{
//when calculated, desable inputed textboxes
HeightTextBox.Enabled = false;
WeightTextBox.Enabled = false;
ChestTextBox.Enabled = false;
//calculates the BMI for Male
if (MaleRadioButton.Checked == true)
{
//algorithm
bMI = weight / ((height / 100) * (height / 100));
BMITextBox.Text = Convert.ToString(bMI);
//detarmine BMI
if (bMI < 18.5)
{
PictureBox.Image = this._imageArrayM[0];
MessageBox.Show("Underweight < 18.5");
}
else if (bMI >= 18.5 && bMI <= 24.9)
{
PictureBox.Image = this._imageArrayM[1];
MessageBox.Show("Normal weight = 18.5~24.9 ");
}
else if (bMI > 25 && bMI <= 29.9)
{
PictureBox.Image = this._imageArrayM[2];
MessageBox.Show("Overweight = 25~29.9");
}
else if (bMI >= 30)
{
PictureBox.Image = this._imageArrayM[3];
MessageBox.Show("Obesity >= 30");
}
}
//calculates the BMI for Female
else if (FemaleRadioButton.Checked == true)
{
//algorithm
bMI = weight / ((height / 100) * (height / 100));
BMITextBox.Text = Convert.ToString(bMI);
//claculate cMI
chest = Convert.ToDouble(ChestTextBox.Text);
cMI = chest / height;
CMITextBox.Text = Convert.ToString(cMI);
//detarmine BMI
if (bMI < 18.5)
{
PictureBox.Image = this._imageArrayFe[0];
MessageBox.Show("Underweight < 18.5");
}
else if (bMI >= 18.5 && bMI <= 24.9)
{
PictureBox.Image = this._imageArrayFe[1];
MessageBox.Show("Normal weight = 18.5~24.9 ");
}
else if (bMI > 25 && bMI <= 29.9)
{
PictureBox.Image = this._imageArrayFe[2];
MessageBox.Show("Overweight = 25~29.9");
}
else if (bMI >= 30)
{
PictureBox.Image = this._imageArrayFe[3];
MessageBox.Show("Obesity >= 30");
}
}
}
}
catch (Exception)
{
MessageBox.Show("You must fill all the forms, and Height, Weight can't be less or equal to 0");
HeightTextBox.Focus();
HeightTextBox.SelectAll();
}
}
/**
* <summary>
* This eventhandler calculate the BMI and display on the textboxes
* </summary>
*
* @method CalculateButton_Click
* @param {object} sender
* @param {EventArgs} e
*/
//Calculate Button+++++++++++++++++++++++++++++++++++++++++++++
private void CalculateButton_Click(object sender, EventArgs e)
{
//declear local variables
double height, weight, bMI;
try
{
//convert to numbers
height = Convert.ToDouble(HeightTextBox.Text);
weight = Convert.ToDouble(WeightTextBox.Text);
//each textbox can't be empty
if (HeightTextBox.Text == "" || WeightTextBox.Text == "")
{
MessageBox.Show("All the text box can't be empty!");
}
//height or weight can't be negative or zero
else if (height <= 0 || weight <= 0)
{
MessageBox.Show("Height or Weight can't be negative or zero!");
HeightTextBox.Focus();
HeightTextBox.SelectAll();
}
else if (height > 0 || weight > 0)
{
//when calculated, desable inputed textboxes
HeightTextBox.Enabled = false;
WeightTextBox.Enabled = false;
//calculates the BMI Metric
if (MetricRadioButton.Checked == true)
{
//algorithm
bMI = weight / ((height) * (height));
BMITextBox.Text = Convert.ToString(bMI);
// condition to set progress bar value
if (((bMI / 30) * 100) > 100)
{
progressBar1.Value = 100;
}
else
{
progressBar1.Value = ((int)((bMI / 30) * 100));
}
//determine BMI
if (bMI < 18.5)
{
MessageBox.Show("Underweight < 18.5");
progressBar1.ForeColor = Color.Yellow;
}
else if (bMI >= 18.5 && bMI <= 24.9)
{
MessageBox.Show("Normal weight = 18.5~24.9 ");
progressBar1.ForeColor = Color.Green;
}
else if (bMI > 25 && bMI <= 29.9)
{
MessageBox.Show("Overweight = 25~29.9");
progressBar1.ForeColor = Color.DarkGreen;
}
else if (bMI >= 30)
{
MessageBox.Show("Obesity >= 30");
progressBar1.ForeColor = Color.Red;
}
}
//calculates the BMI for Imperial
else if (ImperialRadioButton.Checked == true)
{
//algorithm
bMI = (weight * 4.88) / ((height) * (height));
BMITextBox.Text = Convert.ToString(bMI);
// condition to set progress bar value
if (((bMI / 30) * 100) > 100)
{
progressBar1.Value = 100;
}
else
{
progressBar1.Value = ((int)((bMI / 30) * 100));
}
//detarmine BMI
if (bMI < 18.5)
{
MessageBox.Show("Underweight < 18.5");
progressBar1.ForeColor = Color.Yellow;
}
else if (bMI >= 18.5 && bMI <= 24.9)
{
MessageBox.Show("Normal weight = 18.5~24.9 ");
progressBar1.ForeColor = Color.Green;
}
else if (bMI > 25 && bMI <= 29.9)
{
MessageBox.Show("Overweight = 25~29.9");
progressBar1.ForeColor = Color.DarkGreen;
}
else if (bMI >= 30)
{
MessageBox.Show("Obesity >= 30");
progressBar1.ForeColor = Color.Red;
}
}
}
}
catch (Exception)
{
MessageBox.Show("You must fill all the forms, and Height, Weight can't be less or equal to 0");
HeightTextBox.Focus();
HeightTextBox.SelectAll();
}
}
/**
* <summary>
* This eventhandler calculate the BMI and display on the textboxes
* </summary>
*
* @method CalculateButton_Click
* @param {object} sender
* @param {EventArgs} e
*/
private void CalculateButton_Click(object sender, EventArgs e)
{
// local variables
double height = 0, weight = 0, BMI;
try {
height = Convert.ToDouble(HeightTextBox.Text);
weight = Convert.ToDouble(WeightTextBox.Text);
}
catch (FormatException)
{
MessageBox.Show("Fill out the forms");
}
if (HeightTextBox.Text == "" || WeightTextBox.Text == "")
{
HeightTextBox.Focus();
HeightTextBox.SelectAll();
WeightTextBox.Focus();
WeightTextBox.SelectAll();
}
else if (height < 0 || weight < 0)
{
MessageBox.Show("Please provide positive values");
}
else if (height > 0 && weight > 0)
{
// in case the input is in imperial
if (ImperialButton.Checked == true)
{
// calculate BMI in imperial
BMI = (weight * 703) / (height * height);
// condition to set progress bar value
if (((BMI / 30) * 100) > 100)
{
BMIProgressBar.Value = 100;
}
else
{
BMIProgressBar.Value = ((int)((BMI / 30) * 100));
}
BMIResultBox.Text = string.Format("{0:f1}", BMI);
BMIResultBox.BackColor = Color.LightSalmon;
BMIScaleBox.BackColor = Color.LightSalmon;
// determine the BMI
if (BMI < 18.5)
{
this.BMIScaleBox.Text = ("Underweight");
BMIProgressBar.ForeColor = Color.Yellow;
}
else if (BMI >= 18.5 && BMI <= 24.9)
{
this.BMIScaleBox.Text = ("Normal");
BMIProgressBar.ForeColor = Color.Green;
}
else if (BMI >= 25 && BMI <= 29.9)
{
this.BMIScaleBox.Text = ("Overweight");
BMIProgressBar.ForeColor = Color.DarkGreen;
}
else if (BMI >= 30)
{
this.BMIScaleBox.Text = ("Obese");
BMIProgressBar.ForeColor = Color.Red;
}
}
// in case the input is in metric units
else if (MetricUnitsButton.Checked == true)
{
// calculate BMI in metric units
BMI = weight / ((height * height) / 10000);
// condition to set progress bar value
if (((BMI / 30) * 100) > 100)
{
BMIProgressBar.Value = 100;
}
else
{
BMIProgressBar.Value = ((int)((BMI / 30) * 100));
}
BMIResultBox.Text = string.Format("{0:f1}", BMI);
BMIResultBox.BackColor = Color.LightSalmon;
BMIScaleBox.BackColor = Color.LightSalmon;
BMIProgressBar.Maximum = 100;
// determine the BMI
if (BMI < 18.5)
{
this.BMIScaleBox.Text = ("Underweight");
BMIProgressBar.ForeColor = Color.Yellow;
}
else if (BMI >= 18.5 && BMI <= 24.9)
{
this.BMIScaleBox.Text = ("Normal");
BMIProgressBar.ForeColor = Color.Green;
}
else if (BMI >= 25 && BMI <= 29.9)
{
this.BMIScaleBox.Text = ("Overweight");
BMIProgressBar.ForeColor = Color.DarkGreen;
}
else if (BMI >= 30)
{
this.BMIScaleBox.Text = ("Obese");
BMIProgressBar.ForeColor = Color.Red;
}
}
}
}
private void CalculateBMI_Click(object sender, EventArgs e)
{
//initialize variables
double result;
double height;
double weight;
try
{
if (HeightTextBox.Text == "" || WeightTextBox.Text == "")
{
MessageBox.Show("Fields can not be empty, please fill them out");
if ((HeightTextBox.Text == "") || (HeightTextBox.Text == "" && WeightTextBox.Text == ""))
{
HeightTextBox.Focus();
}
else
{
WeightTextBox.Focus();
}
}
try
{
height = Convert.ToDouble(HeightTextBox.Text);
weight = Convert.ToDouble(WeightTextBox.Text);
}
catch (Exception)
{
MessageBox.Show("Please type numbers");
HeightTextBox.Clear();
WeightTextBox.Clear();
HeightTextBox.Focus();
}
height = Convert.ToDouble(HeightTextBox.Text);
weight = Convert.ToDouble(WeightTextBox.Text);
if (imperialRadBtn.Checked == true)
{
result = ((weight * 703)) / ((height * height));
ResultTextBox.Text = Convert.ToString(result);
if (result < 18.5)
{
ResultInfoTextBox.Text = Convert.ToString("Underweight");
}
if ((result > 18.5) && (result < 24.9))
{
ResultInfoTextBox.Text = Convert.ToString("Normal");
}
if ((result > 25) && (result < 29.9))
{
ResultInfoTextBox.Text = Convert.ToString("Overweight");
}
if (result > 30)
{
ResultInfoTextBox.Text = Convert.ToString("Obese");
}
}
else if (metricRadBnt.Checked == true)
{
result = (weight / (height * height));
ResultTextBox.Text = Convert.ToString(result);
if (result < 18.5)
{
ResultInfoTextBox.Text = Convert.ToString("Underweight");
}
if ((result > 18.5) && (result < 24.9))
{
ResultInfoTextBox.Text = Convert.ToString("Normal");
}
if ((result > 25) && (result < 29.9))
{
ResultInfoTextBox.Text = Convert.ToString("Overweight");
}
if (result > 30)
{
ResultInfoTextBox.Text = Convert.ToString("Obese");
}
}
}
catch (Exception)
{
MessageBox.Show("Press OK");
}
}