/// <summary>
/// Server Side validation for Numeric TextBox
/// </summary>
/// <returns></returns>
public override bool Validate()
{
if (ReadOnly)
{
Required = false;
ClearError();
return(true);
}
if (Response == null || (Response.IndexOf("_") != -1) || ((Response.IndexOf(".") != -1 && Response.Length == 1)))
{
Response = string.Empty;
}
if (string.IsNullOrEmpty(Response))
{
if (Required)
{
Error = RequiredMessage;
return(false);
}
}
if (!string.IsNullOrEmpty(Response))
{
/*Description: Accept only (0-9) integer and one decimal point(decimal point is also optional).
* After decimal point it accepts at least one numeric.
* This will be usefull in money related fields or decimal fields. (www.regexlib.com) */
/*** Matches .568 | 8578 | 1234567.1234567 ****/
/**** Non-Matches: 568. | 56.89.36 | 5.3.6.9.6 *****/
// string regularExp = "^([0-9]*|\\d*\\.\\d{1}?\\d*)$";
//string regularExp = "^-?([0-9]*|\\d*\\.\\d{1}?\\d*)$";
// var regex = new Regex(regularExp);
//if (!regex.IsMatch(Value))
double testValue = 0.0; string Value = Response; string lower = Lower; string upper = Upper;
CultureInfo us = new CultureInfo("en-US");
string uiSep = CultureInfo.CurrentUICulture.NumberFormat.NumberDecimalSeparator;
if (!double.TryParse(Response, NumberStyles.Any, CultureInfo.InvariantCulture, out testValue))
{
//invalid: it is not numeric
Error = "Value must be a number";
return(false);
}
else
{
//invalid: not in between range
//first check if low and upper are not empty
if ((!string.IsNullOrEmpty(Lower)) && (!string.IsNullOrEmpty(Upper)))
{
//if the number is either less than the lower limit or greater than the upper limit raise error
/*if ((decimal.Parse(Response) < decimal.Parse(Lower)) || (decimal.Parse(Response) > decimal.Parse(Upper)))
* {
* Error = string.Format("Number must be in between {0} and {1}", Lower, Upper);
* return false;
* }*/
if (uiSep == ".")
{
if ((decimal.Parse(Response) < decimal.Parse(Lower)) || (decimal.Parse(Response) > decimal.Parse(Upper)))
{
Error = string.Format("Number must be in between {0} and {1}", Lower, Upper);
return(false);
}
}
else
{
Value = Response.Replace(".", ",");
lower = Lower.Replace(".", ",");
upper = Upper.Replace(".", ",");
if ((decimal.Parse(Value) < decimal.Parse(lower)) || (decimal.Parse(Value) > decimal.Parse(upper)))
{
Error = string.Format("Number must be in between {0} and {1}", lower, upper);
return(false);
}
}
}
if (uiSep == ".")
{
//invalid: checking for lower limit
if ((!string.IsNullOrEmpty(Lower)) && (decimal.Parse(Response) < decimal.Parse(Lower)))
{
Error = string.Format("Number can not be less than {0}", Lower);
return(false);
}
//invalid: checking the upper limit
if ((!string.IsNullOrEmpty(Upper)) && (decimal.Parse(Response) > decimal.Parse(Upper)))
{
Error = string.Format("Number can not be greater than {0}", Upper);
return(false);
}
}
else
{
Value = Response.Replace(".", ",");
lower = Lower.Replace(".", ",");
upper = Upper.Replace(".", ",");
if ((!string.IsNullOrEmpty(Lower)) && (decimal.Parse(Value) < decimal.Parse(lower)))
{
Error = string.Format("Number can not be less than {0}", lower);
return(false);
}
//invalid: checking the upper limit
if ((!string.IsNullOrEmpty(Upper)) && (decimal.Parse(Value) > decimal.Parse(upper)))
{
Error = string.Format("Number can not be greater than {0}", upper);
return(false);
}
}
}
}
ClearError();
return(true);
}