use the following code to convert the numeric value to text. On change of numeric value field just call this function to assign the value of text.

class IntToWord

static string[] digits = { "", " one", " two", " three", " four", " five",

" six", " seven", " eight", " nine", " ten",

" eleven", " twelve", " thirteen", " fourteen", " fifteen",

" sixteen", " seventeen", " eighteen", " ninteen"};

static string[] decades = { " twenty", " thirty", " fourty", " fifity", " sixty",

" seventy", " eighty", " ninety"};

static string[] decis = { " hundred", " thousand", " lakhs", " crore" };

static string answer = string.Empty;

public static string ToWords(int givenNumber)

if (givenNumber == 0)

return digits[0];

else if (givenNumber >= 10000000)

int crores = givenNumber / 10000000;

return ToWords(crores)+ decis[3] + ToWords(givenNumber) ;

else if (givenNumber >= 100000)

int lakhs = givenNumber / 100000;

return ToWords(lakhs)+ decis[2]+ ToWords(givenNumber) ;

else if (givenNumber >= 1000)

int thousands = givenNumber / 1000;

return digits[thousands]+ decis[1] + ToWords(givenNumber) ;

else if (givenNumber >= 100)

int hundreds = givenNumber / 100;

return digits[hundreds]+decis[0] + ToWords(givenNumber) ;

else if (givenNumber >= 20)

int tens = givenNumber / 10;

return decades[tens - 2] + ToWords(givenNumber);

else if (givenNumber > 10 && givenNumber < 20)

return digits[givenNumber];

else

return digits[givenNumber];