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As C# is a strongly typed language, working with the data types may seem difficult for newbies in programming. This is how to convert a double variable or value to string in order to avoid exception in your code.

double num = 50.4;

//Use ToString() to convert directly

string num1 = num.ToString();

//Output the string


//It shows 50.4 but as string value that cannot be used in calculation, unlike the double value declared earlier
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