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parameter passing thru on click for different buttons

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parameter passing thru on click for different buttons

 
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  #1
Nov 5th, 2007
Hi to all

am new to asp and am parcipating a project on asp in our company... here i got one prob that passing the parameter thru onclick.. i tried a lot but nothing materialize..

i have 5 buttons here.. for all buttons same function that i have to submit the form iprev.. here my prob is when i save parameter into a session variable its showing "type mismatch" when i call the function.. here i given my codes and function nooooo sub.. plz if u can guide me plzzzzzz

ASP Syntax (Toggle Plain Text) 
  1. <input type="button" value="Upload" name="B1" onClick='uploadpicture("img1")'><br><br>
  2. <input type="button" value="Upload" name="B2" onClick='uploadpicture("img2")'><br><br>
  3. <input type="button" value="Upload" name="B3" onClick='uploadpicture("img3")'><br><br>
  4. <input type="button" value="Upload" name="B4" onClick='uploadpicture("img4")'><br><br>
  5. <input type="button" value="Upload" name="B5" onClick='uploadpicture("img5")'><br><br>
  6.  
  7. <script language="vbscript">
  8. Sub uploadpicture(imgno)
  9. Session("imagecap" & strSUnique) = imgno
  10. Document.iprev.submit()
  11. End Sub
  12. </script>
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Re: parameter passing thru on click for different buttons

 
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  #2
Nov 6th, 2007
your onClick commands should be equal to:

onClick="uploadpicture('img1')">
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Re: parameter passing thru on click for different buttons

 
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  #3
Nov 6th, 2007
no am getting the value of imgno inside the function...
after that i cannot assign it to a session variable..
if its not possible is thr any other ways to pass the parameters.....(other than url querystring)
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Re: parameter passing thru on click for different buttons

 
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  #4
Nov 6th, 2007
Then your session variable is not setting correctly. You should have no problem retrieving and setting that imgno. The problem happens when you set the name of the session variable. Do you have to have a unique string on it as each session is only used by one computer? Try removing the strSUnique OR try resetting the value of strSUnique inside your sub. I know by removing it, it will work. It may work if you redeclare the variable in your sub.
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Re: parameter passing thru on click for different buttons

 
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  #5
Nov 6th, 2007
but its showing session is not a keyword when i put it inside the sub or function which is inside the vbscript. but outside the vbscript its working.. and another thing after removing vbscript tag when i click the button it should call the function but its showing object expected which is that function... think i am totally confused............
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Re: parameter passing thru on click for different buttons

 
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  #6
Nov 7th, 2007
ASP Syntax (Toggle Plain Text) 
  1. <input type="button" value="Upload" name="B1" onclick='<% Session("imagecap" & strSUnique) = "1"%>;submit()'><br><br>
  2. <input type="button" value="Upload" name="B2" onclick='<% Session("imagecap" & strSUnique) = "2"%>;submit()'><br><br>
  3. <input type="button" value="Upload" name="B3" onclick='<% Session("imagecap" & strSUnique) = "3"%>;submit()'><br><br>
  4. <input type="button" value="Upload" name="B4" onclick='<% Session("imagecap" & strSUnique) = "4"%>;submit()'><br><br>
  5. <input type="button" value="Upload" name="B5" onclick='<% Session("imagecap" & strSUnique) = "5"%>;submit()'><br><br>

now i tried like this.. working but whatever button i clicked its returning the value "5" for session variable.. cannot understand... can u plzzzzz if u found any prob here plzzzzz let me know.. coz i already taken 3 days for this........ plzzzzzzzz
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Re: parameter passing thru on click for different buttons

 
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  #7
Nov 8th, 2007
the reason why your last code isn't working like you thought is because you are calling the <% %> when the server runs the code. Therefore, you are essentially setting session("imagecap...) 5 times, with firs 1, then 2, then 3, and ending in 5. This is why it will always be 5. Sorry I missed this before, but vbscript does not set values without the "SET" before the word.

set Session("imagecap" & strSUnique) = "#"

Unfortunatley I don't believe this will work because vbscript does not work with sessions this way. Your only way to make it work is to put it all in a form and send it back to itself, or to the next page with hidden input fields. Do something like this below:
ASP Syntax (Toggle Plain Text) 
  1. <input type="button" value="Upload" name="B1" onclick="this.form.sessionvalue.value='1';submit()"><br><br>
  2. <input type="button" value="Upload" name="B2" onclick="this.form.sessionvalue.value='1';submit()"><br><br>
  3. <input type="button" value="Upload" name="B3" onclick="this.form.sessionvalue.value='1';submit()"><br><br>
  4. <input type="button" value="Upload" name="B4" onclick"this.form.sessionvalue.value='1';submit()"><br><br>
  5. <input type="button" value="Upload" name="B5" onclick="this.form.sessionvalue.value='1';submit()" /><br><br><input type="hidden" id="sessionvalue" name="sessionvalue" value="" />
Now on your next page, just do the following:
ASP Syntax (Toggle Plain Text) 
  1. Session("imgcap" & strSUnique) = request.form("sessionvalue")
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Re: parameter passing thru on click for different buttons

 
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  #8
Nov 8th, 2007
oh and if the this.form.sessionvalue.value= does not work for you, use:
document.forms.formname.sessionvalue.value=
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Re: parameter passing thru on click for different buttons

 
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  #9
Nov 8th, 2007
hei this is some good logic but not working..
here my hidden field doesnot accept the value i think..
i forgot to say another thing .. my form tag is..
ASP Syntax (Toggle Plain Text) 
  1. <form enctype="multipart/form-data" action="admin_iupl.asp" method="post" name="iprev">
i will give u the complete form and the next page requirements also..

ASP Syntax (Toggle Plain Text) 
  1. <form enctype="multipart/form-data" action="admin_iupl.asp" method="post" name="iprev">
  2.  
  3. <table>
  4. <div>
  5.  
  6. <th align="Right" width="20%" valign="top">
  7.  
  8. Caption Image<br>
  9.  
  10. <%If uploadpic then
  11. If Not uPA(0) = Empty then%>
  12. <img id="img1" height="100" width="100" src=<%=upload & uPA(0)%>><br><br>
  13. <%else%>
  14. <img id="img1" height="100" width="100" src="img/nopic.gif"><br><br>
  15. <%end if
  16. else%>
  17. <img id="img1" height="100" width="100" src="img/nopic.gif"><br><br>
  18. <%end if%>
  19.  
  20. <%If uploadpic then
  21. If Not uPA(1) = Empty Then%>
  22. <img id="img2" height="100" width="100" src=<%=upload & uPA(1)%>><br><br>
  23. <%Else%>
  24. <img id="img2" height="100" width="100" src="img/nopic.gif"><br><br>
  25. <%end if
  26. else%>
  27. <img id="img2" height="100" width="100" src="img/nopic.gif"><br><br>
  28. <%end if%>
  29.  
  30. <%If uploadpic then
  31. If Not uPA(2) = Empty Then%>
  32. <img id="img3" height="100" width="100" src=<%=upload & uPA(2)%>><br><br>
  33. <%else%>
  34. <img id="img3" height="100" width="100" src="img/nopic.gif"><br><br>
  35. <%end if
  36. else%>
  37. <img id="img3" height="100" width="100" src="img/nopic.gif"><br><br>
  38. <%end if%>
  39.  
  40. <%If uploadpic Then
  41. If Not uPA(3) = Empty Then%>
  42. <img id="img4" height="100" width="100" src=<%=upload & uPA(3)%>><br><br>
  43. <%else%>
  44. <img id="img4" height="100" width="100" src="img/nopic.gif"><br><br>
  45. <%end if
  46. else%>
  47. <img id="img4" height="100" width="100" src="img/nopic.gif"><br><br>
  48. <%end if%>
  49.  
  50. <%If uploadpic then
  51. If Not uPA(4) = Empty Then%>
  52. <img id="img5" height="100" width="100" src=<%=upload & uPA(4)%>>
  53. <%else%>
  54. <img id="img5" height="100" width="100" src="img/nopic.gif"><br><br>
  55. <%end if
  56. else%>
  57. <img id="img5" height="100" width="100" src="img/nopic.gif"><br><br>
  58. <%end if%>
  59.  
  60. </th>
  61. <th align="Left" width="80%" valign="top">
  62.  
  63. <br>
  64.  
  65. <textarea rows="4" cols="35" name="img1caption">Ad Description</textarea><br>
  66. <input name="selpic" type="file" id="imgbrowse1">
  67. <input type="button" value="Upload" name="B1" id="B1" onclick="this.form.sessionvalue.value='0';submit()"><br><br><br>
  68.  
  69. <textarea rows="4" cols="35" name="img2caption">Ad Or Image Description</textarea><br>
  70. <input name="selpic" type="file">
  71. <input type="button" value="Upload" name="B2" id="B2" onclick="this.form.sessionvalue.value='1';submit()"><br><br>
  72.  
  73. <textarea rows="4" cols="35" name="img3caption">Image Description</textarea><br>
  74. <input name="selpic" type="file">
  75. <input type="button" value="Upload" name="B3" id="B3" onclick="this.form.sessionvalue.value='2';submit()"><br><br>
  76.  
  77.  
  78. <textarea rows="4" cols="35" name="img4caption">Image Description</textarea><br>
  79. <input name="selpic" type="file">
  80. <input type="button" value="Upload" name="B4" id="B4" onclick="this.form.sessionvalue.value='3';submit()"><br><br><br>
  81.  
  82.  
  83. <textarea rows="4" cols="35" name="img5caption">Image Description</textarea><br>
  84. <input name="selpic" type="file">
  85. <input type="button" value="Upload" name="B5" id="B5" onclick="this.form.sessionvalue.value='4';submit()"><br><br>
  86.  
  87. <input type="hidden" id="sessionvalue" name="sessionvalue" value="">
  88. </th>
  89. </table>
  90. </form>

this is my form in one page and the continuing is next page..
ASP Syntax (Toggle Plain Text) 
  1. Session("imgcap" & strSUnique) = request.form("sessionvalue")

i think my hidden field not taking the value............
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Re: parameter passing thru on click for different buttons

 
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  #10
Nov 8th, 2007
another one thing....another form is here in this same page.. i forgot to tell this.. sorryyyyyyyyyyyy
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