public Form1()
{
InitializeComponent();
comboBoxFunc.SelectedIndex = 0;
db = new StatisticContext();
db.Statistics.Load();
}
public async Task AddDB(double delta, double x1, double x2, string func, double result)
{
db = new StatisticContext();
db.Statistics.Load();
Statistic stat = new Statistic {
delta = delta, x1 = x1, x2 = x2, func = func, result = result
};
db.Statistics.Add(stat);
await db.SaveChangesAsync();
}
public async Task <bool> CheckData(double delta, double x1, double x2, string func)
{
db = new StatisticContext();
db.Statistics.Load();
var check = await db.Statistics.FirstOrDefaultAsync(x => (x.delta == delta)& (x.x1 == x1)& (x.x2 == x2)& (x.func == func));
if (check == null)
{
return(false);
}
else
{
return(true);
}
}