Application of Microsoft Enterprise Library Operations Database

Download Microsoft Enterprise Library 5.0:http://www.microsoft.com/en-us/download/details.aspx?id=15104,
Install package Enterprise Library 5.0.msi, select Directory after installation.

1. Referencing DLLs
After installation, locate the following DLLs in the installation directory:

2. Basic usage

Database db = null;

DbCommand cmd = db. Getsqlstringcommand (Sqlgetuserinfo);

Db. Addinparameter (cmd, "field", dbtype.ansistring, value);

DataSet ds = Tosexecutedataset (cmd);-----Query

Tosexecutenonquery (CMD),----additions and deletions