//Дорівнює
protected void ButtonResult_Click(object sender, EventArgs e)
{
try
{
a = (double)ViewState["a"];
b = Convert.ToDouble(TextBox1.Text);
action = (int)ViewState["action"];
switch (action)
{
case 1:
TextBox1.Text = Convert.ToString(SCClass.Addition(a, b));
ViewState["b"] = TextBox1.Text;
break;
case 2:
TextBox1.Text = Convert.ToString(SCClass.Subtraction(a, b));
ViewState["b"] = TextBox1.Text;
break;
case 3:
TextBox1.Text = Convert.ToString(SCClass.Multiplication(a, b));
ViewState["b"] = TextBox1.Text;
break;
case 4:
TextBox1.Text = Convert.ToString(SCClass.Division(a, b));
ViewState["b"] = TextBox1.Text;
break;
}
}
catch
{
ERROR();
}
}
//Операції
public void ActionControl(int act)
{
try
{
if (ViewState["b"] != null)
{
a = (double)ViewState["b"];
action = (int)ViewState["action"];
b = Convert.ToDouble(TextBox1.Text);
switch (action)
{
case 1:
result = (SCClass.Addition(a, b));
ViewState["b"] = result;
break;
case 2:
result = (SCClass.Subtraction(a, b));
ViewState["b"] = result;
break;
case 3:
result = (SCClass.Multiplication(a, b));
ViewState["b"] = result;
break;
case 4:
result = (SCClass.Division(a, b));
ViewState["b"] = result;
break;
}
ViewState["a"] = result;
ViewState["action"] = act;
TextBox1.Text = null;
}
else
{
a = Convert.ToDouble(TextBox1.Text);
ViewState["a"] = a;
ViewState["b"] = a;
ViewState["action"] = act;
TextBox1.Text = null;
}
}
catch { ERROR(); }
}