Programming Microsoft Visual Basic .NET for Microsoft Access Databases (Pro Developer)

E

e argument, Closing event (forms), 204-209

editing XML schemas, 607-611

Elapsed event, 155

elements, XML, 604-606

ElseIf clause, 78

Empty Project template, 34

Empty Web Project template, 34

Enabled property (System timer), 155

Enabled property (Windows timer), 152

encapsulation, 16, 163

encryption. See cryptographic services

enumerating files in folders, 132-137

Directory class for, 135-137

DirectoryInfo class for, 132-135

enumerations, 10

Erase statement, 94

Event keyword, 147, 157

event procedures, manipulating forms with, 199-204

event processing, 146-162

form Load events, 149-150

raising events from custom classes, 157-162

timer classes, 150-157

event signatures, 147

EventSamples project, 149-162

examining XML documents, 614-615

examples in this book, accessing, 26

Exception class, 17, 180, 190

exception handling, 17-18, 179-192

catching multiple exceptions in Try blocks, 185-187

Finally clause, using (example), 187-190

not catching exceptions vs., 182-185

throwing exceptions programmatically, 190-192

unstructured vs. structured, 180-181

ExecuteNonQuery( ) (OleDbCommand class), 328, 382, 517

ExecuteScalar( ) (OleDbCommand class), 328, 375

executing source code, 11-13

Exit statements, 79-80

exposing Access databases, 6-7