if we are using " reader " in data retrieving ,it will be faster

In c#.Net Application For DataGridview binding which method is faster in below two case?Why..?
1)looping-Using For loop
2)Databinding direct using Dataset

Question Posted / hardit

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Answer Posted / hardit

if we are using " reader " in data retrieving ,it will be faster as it will only read values required.

but in the case of dataset which is a very heavy object it will take more time corresponding to reader in for loop.

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