public String changeToWords(String numb) { String val = "", wholeNo = numb, points = "", andStr = "", pointStr = ""; String endStr = (""); try { int decimalPlace = numb.IndexOf("."); if (decimalPlace > 0) { wholeNo = numb.Substring(0, decimalPlace); points = numb.Substring(decimalPlace + 1); if (Convert.ToInt32(points) > 0) { andStr = ("point");// just to separate whole numbers from points/Rupees } } val = String.Format("{0} {1}{2} {3}", translateWholeNumber(wholeNo).Trim(), andStr, pointStr, endStr); } catch { ; } return val; } private String translateWholeNumber(String number) { string word = ""; try { bool beginsZero = false;//tests for 0XX bool isDone = false;//test if already translated double dblAmt = (Convert.ToDouble(number)); //if ((dblAmt > 0) && number.StartsWith("0")) if (dblAmt > 0) {//test for zero or digit zero in a nuemric beginsZero = number.StartsWith("0"); int numDigits = number.Length; int pos = 0;//store digit grouping String place = "";//digit grouping name:hundres,thousand,etc... switch (numDigits) { case 1://ones' range word = ones(number); isDone = true; break; case 2://tens' range word = tens(number); isDone = true; break; case 3://hundreds' range pos = (numDigits % 3) + 1; place = " Hundred "; break; case 4://thousands' range case 5: case 6: pos = (numDigits % 4) + 1; place = " Thousand "; break; case 7://millions' range case 8: case 9: pos = (numDigits % 7) + 1; place = " Million "; break; case 10://Billions's range pos = (numDigits % 10) + 1; place = " Billion "; break; //add extra case options for anything above Billion... default: isDone = true; break; } if (!isDone) {//if transalation is not done, continue...(Recursion comes in now!!) word = translateWholeNumber(number.Substring(0, pos)) + place + translateWholeNumber(number.Substring(pos)); //check for trailing zeros if (beginsZero) word = " and " + word.Trim(); } //ignore digit grouping names if (word.Trim().Equals(place.Trim())) word = ""; } } catch { ; } return word.Trim(); } private String tens(String digit) { int digt = Convert.ToInt32(digit); String name = null; switch (digt) { case 10: name = "Ten"; break; case 11: name = "Eleven"; break; case 12: name = "Twelve"; break; case 13: name = "Thirteen"; break; case 14: name = "Fourteen"; break; case 15: name = "Fifteen"; break; case 16: name = "Sixteen"; break; case 17: name = "Seventeen"; break; case 18: name = "Eighteen"; break; case 19: name = "Nineteen"; break; case 20: name = "Twenty"; break; case 30: name = "Thirty"; break; case 40: name = "Fourty"; break; case 50: name = "Fifty"; break; case 60: name = "Sixty"; break; case 70: name = "Seventy"; break; case 80: name = "Eighty"; break; case 90: name = "Ninety"; break; default: if (digt > 0) { name = tens(digit.Substring(0, 1) + "0") + " " + ones(digit.Substring(1)); } break; } return name; } private String ones(String digit) { int digt = Convert.ToInt32(digit); String name = ""; switch (digt) { case 1: name = "One"; break; case 2: name = "Two"; break; case 3: name = "Three"; break; case 4: name = "Four"; break; case 5: name = "Five"; break; case 6: name = "Six"; break; case 7: name = "Seven"; break; case 8: name = "Eight"; break; case 9: name = "Nine"; break; } return name; }
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