Trying To Delete Selected Row I Have Code Here And It Wont Delete The Selected Row In My Database(Workbench)Help?:)

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Java

private void btndeleteActionPerformed(java.awt.event.ActionEvent evt) {                                          
             
        try{
            
            theQuery("delete from authors where id = "+authorIDLabel.getText());
        
        
        }
        
        catch (Exception ex){}
        
        
    }

Posted 21-Jan-16 5:45am

Member 12278958

Updated 22-Jan-16 2:21am

Herman<T>.Instance

v2

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Comments

Richard Deeming 21-Jan-16 11:58am

Your code is vulnerable to SQL Injection[^].

NEVER use string concatenation to build a SQL query. ALWAYS use a parameterized query.

Kevin Marois 21-Jan-16 11:59am

What is the value of authorIDLabel? Did you try running the command directly in DB?

jame01 21-Jan-16 16:58pm

you wanna delete selected value from datagridview

Herman<T>.Instance 22-Jan-16 8:21am

is ID a number or a text?

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Roland 57 · Answer 1 · 2016-01-23T01:23:00

Solution 1

Java

theQuery("delete from authors where id = '"+authorIDLabel.getText()+"'");

Posted 23-Jan-16 1:23am

Roland 57