c# toNumber code example
Example 1: convert string to number C#
int x = 0;
Int32.TryParse(TextBoxD1.Text, out x);
Example 2: string to int c#
Int16.Parse("100");
Int16.Parse("(100)", NumberStyles.AllowParentheses);
int.Parse("30,000", NumberStyles.AllowThousands, new CultureInfo("en-au"));
int.Parse("$ 10000", NumberStyles.AllowCurrencySymbol);
int.Parse("-100", NumberStyles.AllowLeadingSign);
int.Parse(" 100 ", NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite);
Int64.Parse("2147483649");