What is connection pooling?
chigicherla Mallikarjuna
http://www.c-sharpcorner.com/uploadfile/4d56e1/connection-pooling-ado-net/
Connection Pooling means maximum number of Connection to database at a time may have.For Example, In Connection String ,we can define PoolingSize for example I am setting it 100 so at time 100 connection can be connect with database not more than that.