Enterprise Library Test Guide - Willy .Net

198
Enterprise Library Test Guide
ID Scenario Test code
4 Use ExecuteScalar to
retrieve a single item.
protected void ButtonExecuteScalarClick(object
sender, EventArgs e)
{
Database db= DatabaseFactory.CreateDatabase("Data
SQLTest");
string sqlCommand = "Select CategoryID from Categories
where Description LIKE'Cheeses'";
DbCommand dbCommandWrapper = db.GetSqlStringCom
mand(sqlCommand);
// We pass a transaction object to ExecuteScalar
// with transaction test cases.
object actualResult = db.ExecuteScalar(dbCommandWr
apper);
dbCommandWrapper.Dispose();
}
5 Use ExecuteNonQuery
to retrieve output parameters.
6 Use a DataSet to update
the database.
7 Add a new DataTable to
the existing DataSet.
protected void ExecuteSP_Click(object sender, EventArgs
e)
{
// The Database object is created over
// load test iterations.
Database db= DatabaseFactory.CreateDatabase("Data
SQLTest");
string spName = "TenMostExpensiveProducts";
db.ExecuteNonQuery(CommandType.StoredProcedure,
spName);
}
protected void ButtonLoadDataSet_Click(object
sender, EventArgs e)
{
Database db= DatabaseFactory.CreateDatabase("Data
SQLTest");
DataSet ItemDataSet = new DataSet();
string sqlCommand = "Select top 20 * from products";
DbCommand dbCommandWrapper=db.GetSqlStringComman
d(sqlCommand);
string ItemsTable = "Products";
// We pass a transaction object to LoadDataSet
// with transaction test cases.
db.LoadDataSet(dbCommandWrapper, ItemDataSet,
ItemsTable);
dbCommandWrapper.Dispose();
}