|

|

VerySource»Forum › Development › .NET › DBNull problem

12 / 2 Pages

Return to list New

Author: luozx2504

DBNull problem

2 Threads	22 Posts	14.00 Credits

Rank: 1

Credits: 14.00

Send PM

China

Post time: 2020-5-2 10:15:01
| Show all posts

That ’s why the value obtained by the parameter is always DBNull, right?

Reply

Use magic Report

0 Threads	1 Posts	2.00 Credits

Rank: 1

Credits: 2.00

Send PM

China

Post time: 2020-5-2 14:15:01
| Show all posts

Is it possible to use the space type (generic application)

Reply

Use magic Report

0 Threads	1 Posts	2.00 Credits

Rank: 1

Credits: 2.00

Send PM

China

Post time: 2020-9-6 12:15:01
| Show all posts

DBNull represents a value that does not exist
Nothing can be converted

Reply

Use magic Report

12 / 2 Pages

Return to list New

Contact us|Archive|Mobile|CopyRight © 2008-2023|verysource.com ( 京ICP备17048824号-1 )

Quick Reply To Top Return to the list