با سلام
یک کلاس توابع کاربردی برایت قرارمیدهم از متد IsIranDate برای اعتبار سنجی استفاده نمائید :
classMethods
{
//-------------------------------------------------
///<summary>
/// ¢مییë êیëیêê یک ê¤êيمى م§§ی
///</summary>
///<param name="Number"></param>
///<returns></returns>
publicstaticdecimal MinNumbers(paramsobject[] Number)
{
decimal RtnValue = Convert.ToDecimal(Number[0]);
for (int i = 1; i < Number.Length; i++)
if (RtnValue > Convert.ToDecimal(Number[i])) RtnValue = Convert.ToDecimal(Number[i]);
return RtnValue;
}
//...........
///<summary>
/// ¢مییë êیëیêê یک ê¤êيمى ©¬¢ى ںی
///</summary>
///<param name="String"></param>
///<returns></returns>
publicstaticstring MinStrings(paramsstring[] String)
{
string RtnValue = String[0];
char[] Char1 = newchar[1], Char2 = newchar[1];
for (int i = 1; i < String.Length; i++)
{
for (int j = 0; j < Math.Min(RtnValue.Length, String[i].Length); j++)
{
Char1 = (RtnValue.Substring(j, 1)).ToCharArray();
Char2 = (String[i].Substring(j, 1)).ToCharArray();
if (Char2[0] < Char1[0])
{
RtnValue = String[i];
break;
}
}
}
return RtnValue;
}
//-------------------------------------------------
///<summary>
/// ¢مییë êںکھیêê یک ê¤êيمى م§§ی
///</summary>
///<param name="Number"></param>
///<returns></returns>
publicstaticdecimal MaxNumbers(paramsobject[] Number)
{
decimal RtnValue = Convert.ToDecimal(Number[0]);
for (int i = 1; i < Number.Length; i++)
if (RtnValue < Convert.ToDecimal(Number[i])) RtnValue = Convert.ToDecimal(Number[i]);
return RtnValue;
}
//...........
///<summary>
/// ¢مییë êںکھیêê یک ê¤êيمى ©¬¢ى ںی
///</summary>
///<param name="String"></param>
///<returns></returns>
publicstaticstring MaxStrings(paramsstring[] String)
{
string RtnValue = String[0];
char[] Char1 = newchar[1], Char2 = newchar[1];
for (int i = 1; i < String.Length; i++)
{
for (int j = 0; j < Math.Min(RtnValue.Length, String[i].Length); j++)
{
Char1 = (RtnValue.Substring(j, 1)).ToCharArray();
Char2 = (String[i].Substring(j, 1)).ToCharArray();
if (Char2[0] > Char1[0])
{
RtnValue = String[i];
break;
}
}
}
return RtnValue;
}
//-------------------------------------------------
///<summary>
/// ک뢩é ي¤ي§ یک م§§ §©یک ꥧي§ى م§§ی
///</summary>
///<param name="MainValue"></param>
///<param name="Value1"></param>
///<param name="Value2"></param>
///<returns></returns>
publicstaticbool BetWeen(object MainValue, object Value1, object Value2)
{
decimal TmpMainValue = Convert.ToDecimal(MainValue);
decimal TmpValue1 = Convert.ToDecimal(Value1);
decimal TmpValue2 = Convert.ToDecimal(Value2);
return (TmpValue1 <= TmpMainValue && TmpMainValue <= TmpValue2);
}
//...........
///<summary>
/// ک뢩é ي¤ي§ یک ©¬¢ى §©یک ꥧي§ى ©¬¢ى ںی
///</summary>
///<param name="MainValue"></param>
///<param name="Value1"></param>
///<param name="Value2"></param>
///<returns></returns>
publicstaticbool BetWeen(string MainValue, string Value1, string Value2)
{
return (MinStrings(Value1, MainValue) == Value1 && MaxStrings(Value2, MainValue) == Value2);
}
//-------------------------------------------------
///<summary>
/// ¢مییë ꦢں¢ یک ھی©©¬¢ى §©یک ©¬¢ى ںéی
///</summary>
///<param name="SubString"></param>
///<param name="MainString"></param>
///<returns></returns>
publicstaticint At(string SubString, string MainString)
{
return At(SubString, MainString, 1);
}
//...........
///<summary>
/// ¢مییë ꦢں¢ یک ھی©©¬¢ى §©یک ©¬¢ى ںéی
///</summary>
///<param name="SubString"></param>
///<param name="MainString"></param>
///<param name="Number"></param>
///<returns></returns>
publicstaticint At(string SubString, string MainString, object Number)
{
int RtnValue = -1;
int AtLenM = MainString.Length;
int AtLenS = SubString.Length;
int AtNoEvent = 0;
int TmpNoEvent = Convert.ToInt32(Number);
for (int i = 0; i < MainString.Length - AtLenS + 1; i++)
{
if (MainString.Substring(i, AtLenS) == SubString)
{
AtNoEvent++;
if (AtNoEvent == TmpNoEvent)
{
RtnValue = i;
break;
}
}
}
return RtnValue;
}
//-------------------------------------------------
///<summary>
/// ¢م§ں§ ں¬نںé یک ھی©©¬¢ى §© یک ©¬¢ى
///</summary>
///<param name="SubString"></param>
///<param name="MainString"></param>
///<returns></returns>
publicstaticint Occu(string SubString, string MainString)
{
int i = 0, RtnValue = 0;
while (SubString != "" && (i + SubString.Length - 1) < MainString.Length)
{
if (MainString.Substring(i, SubString.Length) == SubString)
{
RtnValue++;
i += SubString.Length;
}
else
i++;
}
return RtnValue;
} //-------------------------------------------------
///<summary>
/// ک뢩é êم¢ © ي§ë یک êç§ں©¢ں©ی¦ ¬ê«ی
///</summary>
///<param name="DateString"></param>
///<returns></returns>
publicstaticbool IsIranDate(string DateString)
{
bool RtnValue = false;
if (Occu("/", DateString) == 2)
{
int TmpAt1 = Methods.At("/", DateString);
int TmpAt2 = Methods.At("/", DateString, 2);
byte P_Moon = Convert.ToByte(Val(DateString.Substring(TmpAt1 + 1, TmpAt2 - TmpAt1 - 1)));
byte P_Day = Convert.ToByte(Val(DateString.Substring(TmpAt2 + 1)));
if (BetWeen(P_Moon, 1, 12))
if (BetWeen(P_Day, 1, (P_Moon < 7 ? 31 : 30)))
RtnValue = true;
}
return RtnValue;
}
//-------------------------------------------------
///<summary>
/// ک뢩é êم¢ © ي§ë یک êç§ں©«ںم¢
///</summary>
///<param name="TimeString"></param>
///<returns></returns>
publicstaticbool IsTime(string TimeString)
{
bool RtnValue = false;
if (Occu(":", TimeString) == 2)
{
int TmpAt1 = Methods.At(":", TimeString);
int TmpAt2 = Methods.At(":", TimeString, 2);
if (BetWeen(Val(TimeString.Substring(0, TmpAt1 - 1)), 0, 24))
if (BetWeen(Val(TimeString.Substring(TmpAt1 + 1, TmpAt2 - TmpAt1 - 1)), 0, 59))
if (BetWeen(Val(TimeString.Substring(TmpAt2 + 1)), 0, 59))
RtnValue = true;
}
return RtnValue;
}
//-------------------------------------------------
///<summary>
/// ¢ §یé یک م ں©¢ ى یک م§§
///</summary>
///<param name="Number"></param>
///<returns></returns>
publicstaticdecimal Val(object Number)
{
if (Number == null) return 0m;
string TmpStr = Number.ToString().Trim(), TmpChar;
string RtnValue = "";
bool Signal = false;
for (int i = 0; i < TmpStr.Length; i++)
{
TmpChar = TmpStr.Substring(i, 1);
if (TmpChar == ".")
{ if (Signal) break; else Signal = true; }
else
if (TmpChar == "-")
{ if (i != 0) break; }
else
{ if (!BetWeen(TmpChar, "0", "9")) break; }
RtnValue += TmpChar;
}
RtnValue = (RtnValue == "" ? "0" : RtnValue);
returnConvert.ToDecimal(RtnValue);
}
}