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No database selected in php?


No database selected in php?

By : user2952660
Date : November 19 2020, 01:01 AM
it should still fix some issue i am working and new to php i am getting no database selected error; here is the my code which is dd.php , problem is due to mysql_* is deprecated replacing with mysqli_ works
code :


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Tables from selected database and fields from selected table

Tables from selected database and fields from selected table


By : Kevin Coleman
Date : March 29 2020, 07:55 AM
Hope this helps I have a task which I can't solve, and I hope to get some help from you. I want to display all databases from my localhost in a select option, when I select some of these databases I what to show all tables in the selected database in another select option, and when I select some of that tables , I want to dynamically display the selected tables fields (columns). I think it would be better to do that with jquery.
Selected value to stay selected in Datagridview after updating in database c#?

Selected value to stay selected in Datagridview after updating in database c#?


By : L.Jank
Date : March 29 2020, 07:55 AM
With these it helps Use the DataGridView.FirstDisplayedScrollingRowIndex property. It sets the index of the row that is the first row displayed on the DataGridView.
In your case since you are changing the DataSource, new rows might have been added. You can't use the already selected row index. You have to identify the row which was selected earlier (using any unique identifier) and get its index and set the above property to this index number.
code :
DataTable origTable = dataGridView1.DataSource as DataTable;
sda.Fill(origtable);
dataGridView1.Refresh();
No database selected. lesson bookings' unsuccessful entry : No database selected

No database selected. lesson bookings' unsuccessful entry : No database selected


By : choupnenes
Date : March 29 2020, 07:55 AM
will help you I get this error on booking.php , You have an extra space before lesson bookings
How to export selected functions, selected procedures, selected views and selected tables only from oracle database usin

How to export selected functions, selected procedures, selected views and selected tables only from oracle database usin


By : user2046935
Date : March 29 2020, 07:55 AM
I hope this helps . Suppose I want to export ,
ORA-39071: Value for INCLUDE is badly formed
code :
expdp system/manager@DB3 directory=backupdir dumpfile=backup.dmp logfile=backup.log 
include=view:\"IN (\'V1\',\'V2\')\" include=function:\"IN (\'f1\',\'f2\')\" include=procedure:\"IN (\'p1\',\'p2\')\" include=table:\"IN (\'T1\',\'T2\')\"
impdp system/manager directory=backupdir dumpfile=backup.dmp remap_schema=db3:DBpractice
Database wont update with PHP when there's multiple radios selected? Only the lastest radio selected will get updated

Database wont update with PHP when there's multiple radios selected? Only the lastest radio selected will get updated


By : user2830941
Date : March 29 2020, 07:55 AM
wish helps you You are using same variable for both questions so if both question submitted but last query will work as you defined same variable
code :
$q1 = $_POST['q1'];
$query="";
$query2="";
if ($q1 == "c1" ) {

    $query = "UPDATE `question1` SET score = score + 1 WHERE choices = 'choice1'";
}
if ($q1 == "c2" ) {

    $query = "UPDATE `question1` SET score = score + 1 WHERE choices = 'choice2'";
} 
if($query){
//execute first query here
}

$q2 = $_POST['q2'];

if ($q2 == "c1" ) {

    $query2 = "UPDATE `question2` SET score = score + 1 WHERE choices = 'choice1'";
}
if ($q2 == "c2" ) {

    $query2 = "UPDATE `question2` SET score = score + 1 WHERE choices = 'choice2'";
} 
if($query2){
//execute second query here
}
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