get specific value from Datareader

Question

Hi All,

I am displaying 100  records in gridview using execute reader.

dr contains 100 records.

 

Gridview.datasource=dr;

Gridview1.Databind;

 

Requirements: 

Gridview should display 100 records. 

 

get specific record value i,e dr["initial_rate];

 

How can i get that specific record value.

 

i want to store that specific value into a variable which can be used to check condition. 

 

Please help me on this requirement. It is urgent