Just written in c # form a problem when connected to the Oracle database, and is in accordance with the code as shown in figure running popup window display 0, namely there is no data in the table, want to ask what the problem is,

CodePudding user response:

CodePudding user response:

And the number of attributes columns is no problem

CodePudding user response:

CodePudding user response:

To confirm the statement first really no data in the database
Configuration data is correct, such as how library, even the wrong library

CodePudding user response:

1, connect with other tools, confirmed that exist in the DB data, insert the remember commit
2, the connection information in the confirmation code statement is correct

CodePudding user response:

Can't see the connection information in the code statement,
The method using the 5 floor can