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What is the difference between toString & Convert. Tostring(

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Visual Basic .NET

What is the difference between toString & Convert. Tostring(

Sudhakar Swamy

7yAsked Nov 27, 2018, 3:57 PM846Visual Basic .NET

Please let me know the difference

2 Replies

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Sanwar Ranwa7y ago
Accepted answer
Hello Sudhakar
Convert.Tostring function handles NULLS, while .ToString() does not it will throw a NULL reference exception error.

So as good coding practice using "convert" is always safe.

string s;

object o = null;

s = o.ToString();



//returns a null reference exception



string s;

object o = null;

s = Convert.ToString(o);
Jignesh Kumar7y ago
Hi Sudhakar,

convert.Tostring(strName) will handle null if you try to apply on null input it will retun null.

strName.Tostring() will throw execption if you try convert null value

Please look at below example.