private void Button1_Click(object sender, EventArgs e)
{
lb_warning.Visible = false;
lb_Decomp.Text = "";
string solveStaus;
try
{
List <double> calculationResult = QuadraticEquation.SolveQuadrEq(Convert.ToDouble(tb_coefA.Text), Convert.ToDouble(tb_coefB.Text), Convert.ToDouble(tb_coefC.Text), out solveStaus);
if (calculationResult != null)
{
tb_X1.Text = calculationResult[0].ToString();
tb_X2.Text = calculationResult[1].ToString();
lb_Decomp.Text = QuadraticEquation.DecompositionEquation;
}
else
{
tb_X1.Clear();
tb_X2.Clear();
}
lb_warning.Text = solveStaus;
lb_warning.Visible = true;
}
catch (Exception)
{
tb_X1.Clear();
tb_X2.Clear();
MessageBox.Show("Input data can't converted to double", "Wrong input", MessageBoxButtons.OK);
}
}
static void Main(string[] args)
{
double coefA, coefB, coefC;
string solveStatus;
while (true)
{
try
{
Console.Write("Enter a:");
coefA = double.Parse(Console.ReadLine());
Console.Write("Enter b:");
coefB = double.Parse(Console.ReadLine());
Console.Write("Enter c:");
coefC = double.Parse(Console.ReadLine());
// Console.WriteLine("Data were read successfully");
List <double> calculationResult = QuadraticEquation.SolveQuadrEq(coefA, coefB, coefC, out solveStatus);
Console.WriteLine("Result string: {0}", solveStatus);
if (calculationResult != null) //we can see results here, if equation has roots
{
for (int i = 0; i < calculationResult.Count; i++)
{
Console.WriteLine("Root x{0}={1}", i + 1, calculationResult[i]);
}
Console.WriteLine("Decomposition of equation: {0}", QuadraticEquation.DecompositionEquation);
}
}
catch (Exception ex)
{
Console.WriteLine("Data read failed");
Console.WriteLine($"Exception occured: {ex.Message}");
//Console.WriteLine($"In the method: {ex.TargetSite}");
}
Console.WriteLine("Press x for exit or any key to continue input data");
if (Console.ReadLine() == "x")
{
break;
}
}
}
public ActionResult Index(EquationModel equationModel)
{
string solveStatus;
try
{
List <double> calculationResult = QuadraticEquation.SolveQuadrEq(Convert.ToDouble(equationModel.Coef_A), Convert.ToDouble(equationModel.Coef_B), Convert.ToDouble(equationModel.Coef_C), out solveStatus);
equationModel.solveStatus = solveStatus;
if (calculationResult != null)
{
equationModel.RootX1 = calculationResult[0].ToString();
equationModel.RootX2 = calculationResult[1].ToString();
}
}
catch (Exception)
{
equationModel.solveStatus = "Input data can't converted to double";
}
return(View(equationModel));
}
