C# conversion between numeric and string

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method

ToString() method: ToString() method of numeric type can convert numeric data into a string;
Parse() method: Parse() method of numeric type can convert a string to numeric.

example

ToString() method

int num = 25;
string str = num .ToString();

double dnum = 25.01;
string str = dnum .ToString();

Parse() method

string str = "25";
int num = int.Parse( str );

string str = "25.56";
double dnum = double.Parse( str );

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