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If condition under dropdown

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Hi I need some help to learn how to do my dynamic dropdown. Basically on my dropdown I have value Others and when the user select this I want to display another text box beside it. Below is my codes but it didn't work I wonder where it went wrong.

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  1. echo "
  2. <tr><td width='100%'><b>Generated By:</b></td>"; 
  3. $res=mysql_query("select Generated_By  from tblGeneratedBy"); 
  4. if(mysql_num_rows($res)==0){ 
  5. echo "there is no data in table.."; 
  6. } else { 
  7. echo '
  8. <td width="100%"><select name="GeneratedBy" id="GeneratedBy" value=\"$GeneratedBy\">'; 
  9. for($i=0;$i<mysql_num_rows($res);$i++) { 
  10. $row=mysql_fetch_assoc($res); 
  11. echo"<option value=\"$row[Generated_By]\" "; 
  12. if($GeneratedBy==$row[Generated_By]) 
  13. echo "selected"; 
  14. echo ">$row[Generated_By]</option>"; 
  15. }
  16. if $row[Generated_By]== ('Others') {
  17.  echo "<input type='text' >";  else 
  18. }echo 
  19. "</select><br></tr></td>"; 
  20. }     
Mar 17 '09 #1
1 3342
1,168 Recognized Expert Top Contributor
What didn't work? Please be more specific with the problem. Did the whole dropdown box not work or just your input box? Anyway, three things:
Line 17: you should be self closing your input tags ( <input /> not <input> ).
Line 17: You have not closed your if( ){ } statement before you have else.
Line 18: You have closed the previous if statement instead of opening the else statment.

Mar 17 '09 #2

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