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Reset Web Page after data input error

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    Reset Web Page after data input error

    Hello All

    I have an a5w page which allows someone to upload a file. If the user forgets to choose a file to upload (ie the file upload field is null) before hitting the upload button, an error is generated at the top of the page. How do I allow the user to clear the error and start with a clean screen without exiting and reentering the page?

    Many thanks

    Jason

    #2
    Re: Reset Web Page after data input error

    We kinda need to know what this page looks like once the error appears. Is the filename field still visible, is the browse button still visible? If so, why can't they just click Browse and select a new file, etc.
    Steve Wood
    See my profile on IADN

    Comment


      #3
      Re: Reset Web Page after data input error

      Hi Steve

      Thanks very much for your reply! I have attached a screen dump which shows an error message. This message appears if the user hasnt chosen a file to upload before hitting the upload button. At present, the only way to make this error disappear is to click on the file upload button on the left hand side menu to reload the screen.

      Any ideas would be greatly appreciated

      Cheers

      Jason

      Comment


        #4
        Re: Reset Web Page after data input error

        By clear the screen, do you mean remove all the values from the box with all the fields? That looks like a dialog, and if so you can include code in the Activate Event like this that will blank out all selection when the screen refreshes to show the error message:

        currentform.controls.myfield=""
        Steve Wood
        See my profile on IADN

        Comment


          #5
          Re: Reset Web Page after data input error

          Hi Steve

          Thanks for the quick reply. It does look like a dialog, but its actually a standard datagrid. To my understanding a datagrid must always have data within it, so I was just wanting to give the user a way to reset the page (and most importantly delete the error message) so they can reattempt the file upload. At present, once an error message is shown, if the user attempts to complete the data entry correctly, the record wont upload to the dbase

          Cheers

          Jason

          Comment


            #6
            Re: Reset Web Page after data input error

            Afraid I'd have to see the entire page, all code, the grid, etc.
            Steve Wood
            See my profile on IADN

            Comment


              #7
              Re: Reset Web Page after data input error

              Hi Steve

              No problem at all! Please find attached. You were the one that helped with the upload code originally, so some of this code may look familiar :)

              Thanks again

              Jason

              HTML Code:
              <html>
              <%a5
              dim msg as c = ""
              dim session.id as n
              if eval_valid("Image_Upload_S_ID")
              session.id = Image_Upload_S_ID
              end if
              if eval_valid("cmd")
              if filetoupload.filename= ""
              ?"Error Message - You must choose a file to upload.  Click the upload document button on the left hand side menu to reattempt the upload"
              ELSE If session.id = 0 
              ?"Error Message - You must click the Search button after selecting the required event before choosing your attachment and uploading.  Click the upload document button on the left hand side menu to reattempt the upload"
              ELSE
              dim fn as c
              fn = "G:\COMMON\CDC\Data Manager\AlphaFive\images" + "\\"+ FiletoUpload.filename
              				
              				file.from_blob(fn,FileToUpload.data)   
              			    msg = "<a href=\"/" + FileToUpload.filename + "\" target=\"_blank\">" + FileToUpload.filename + "</a> was uploaded<br /><br />" 
              
              	tbl=table.open("attachment")
              	tbl.enter_begin()
              	tbl.Imagefilepath=fn
              	tbl.Date = NOW()-30
              	tbl.Caseid = session.id
                  'save_to_file(session.id,"c:\test.txt")
              	tbl.Text = attachtxt
              	tbl.enter_end(.t.)
              	tbl.close()
              	session.id = 0
              
              end if
              end if
              
              %>
              <head>
              
              <%a5
              dim request.variables.__ajax as c = default ""
              'Only run if not in an Ajax callback.
              if request.variables.__ajax = "" then 
              	Delete tmpl_MenuNavigation1
              	DIM tmpl_MenuNavigation1 as P
              	tmpl_MenuNavigation1 = a5w_load_component("MenuNavigation1") 'SYSTEM GENERATED COMMENT - PLEASE DO NOT REMOVE (LOAD:MenuNavigation1)
              	'Following code allows you to override settings in the saved component, and specify the component alias (componentName property).
              	'Each component on a page must have a unique alias (componentName property).
              	with tmpl_MenuNavigation1
              		location = ""
              		componentName = "MenuNavigation1"
              	end with 
              '=======================================compute the HTML for the Component=======================================
              	delete x_MenuNavigation1
              	dim x_MenuNavigation1 as p
              	x_MenuNavigation1 = a5w_run_Component(tmpl_MenuNavigation1) 'SYSTEM GENERATED COMMENT - PLEASE DO NOT REMOVE (RUN:tmpl_MenuNavigation1)
              	?x_MenuNavigation1.Output.Head.JavaScript
              	?x_MenuNavigation1.Output.Head.CSS_Link
              end if 'end test in Ajax callback
              %>
              
              <%a5
              'SYSTEM GENERATED COMMENT - PLEASE DO NOT REMOVE - Start Ajax1----------------------------------
              'Test to see if we are in an Ajax callback............................................................
              dim componentAlias as c
              'The componentAlias MUST be UNIQUE for each component on the page.
              'The componentAlias must not have any spaces in the name. Try to keep the componentAlias as short as possible.
              componentAlias = "Image_Upload"
              dim request.variables.__ajax as c = default ""
              dim request.variables.__formID as c = default ""
              'If it is an ajax callback for another component, then don't run this component.
              dim flagMustExecuteComponent as l = .t.
              if request.variables.__ajax = "true" then 
              	if word(request.variables.__formID,1,".") <> componentAlias then 
              		flagMustExecuteComponent = .f.
              	end if 
              end if 
              'End test............................................................................................
              if flagMustExecuteComponent = .t. then 
              	Delete tmpl_Image_Upload
              	DIM tmpl_Image_Upload as P
              	tmpl_Image_Upload = a5w_load_component("Image_Upload") 'SYSTEM GENERATED COMMENT - PLEASE DO NOT REMOVE (LOAD:Image_Upload)
              	'Following code allows you to override settings in the saved component.
              	with tmpl_Image_Upload
              		componentName = componentAlias
              	end with 
              '=======================================compute the HTML for the Component=======================================
              	delete x_Image_Upload
              	dim x_Image_Upload as p
              	x_Image_Upload = a5w_run_Component(tmpl_Image_Upload)  'SYSTEM GENERATED COMMENT - PLEASE DO NOT REMOVE (RUN:tmpl_Image_Upload)
              	'SYSTEM GENERATED COMMENT - PLEASE DO NOT REMOVE - Ajax2----------------------------------
              	dim x_Image_Upload.IsAjaxResponse as l = default .f.
              	if x_Image_Upload.IsAjaxResponse = .t. then 
              		'Discard any pending text in the output buffer.
              		*output_rewind()
              		?x_Image_Upload.Ajaxresponse
              		end
              	end if 
              '=============================================================================================================
              	if x_Image_Upload.RedirectURL <> "" then 
              		response.redirect(x_Image_Upload.redirectURL)
              		end
              	end if 
              end if 'end flagMustExecuteComponent test
              'SYSTEM GENERATED COMMENT - PLEASE DO NOT REMOVE - End Ajax1----------------------------------
              dim request.variables.__ajax as c = default ""
              'Only emit if not in an Ajax callback.
              if request.variables.__ajax = "" then 
              	?x_Image_Upload.Output.Head.JavaScript
              	?x_Image_Upload.Output.Head.CSS_Link
              end if 
              %>
              <!--Alpha Five Temporary Code Start - Will be automatically removed when page is published -->
              <!--CSS for tmpl_Image_Upload -->
              <link rel="stylesheet" type="text/css" href="file:///G:/COMMON/CDC/Data Manager/AlphaFive/CDISA5.WebProjects/Shared Resources/css/Airport/style.css">
              <!--Alpha Five Temporary Code End -->
              
              <!--Alpha Five Temporary Code Start - Will be automatically removed when page is published -->
              <!--CSS for tmpl_GridLinker -->
              <link rel="stylesheet" type="text/css" href="file:///G:/COMMON/CDC/Data Manager/AlphaFive/CDISA5.WebProjects/Shared Resources/css/Airport/style.css">
              <!--Alpha Five Temporary Code End -->
              
              <!--Alpha Five Temporary Code Start - Will be automatically removed when page is published -->
              <!--CSS for tmpl_MenuNavigation1 -->
              <link rel="stylesheet" type="text/css" href="file:///G:/COMMON/CDC/Data Manager/AlphaFive/CDISA5.WebProjects/Shared Resources/css/Clover1/components/a5navsysToolbar/style.css">
              <!--Alpha Five Temporary Code End -->
              
              <meta name="generator" content="Alpha Five HTML Editor Version 9 Build 2095-3264">
              <title></title>
              </head>
              <body class="AirportPageBODY">
              
              
              
              <p><table>
                <tbody>
              	<tr>
              		<td valign="top"><!-- Navigation System -->
                    <p>
              <%a5 ?x_MenuNavigation1.Output.Body.navsysTBV %></p>
                    <p>&nbsp;</p>
                    <p>
              </p>
              		</td>
              		<td valign="top">&nbsp;
              			    <br>
              <td valign="top">
              			    <table border="0" id="table1" style="BACKGROUND:; WIDTH: 15in">
                <tr>
                  <td ></td>
                  <td valign="center"><font face="Candara" size="5" color="#ff9900"><b><font size=6>CDI - Communicable Disease 
                          Interface</font>        
                          <br> Brisbane South Communicable Disease Services</b></font></td></tr></table>
              <hr>
              
                    <p><b><font color=#ffffff><font size="4">To 
                    upload a file, firstly search for the relevant event via the search 
                    function and press the 'Search' button. Once successful, enter the description text in the bottom text 
                    box (if required), browse for the file, and click on the browse button, select the file 
                    and then click 'Upload File'</font></font>     
                    </b></p>
              <table><!--Table enclosing Grid component-->
              	<tr><!--Table row for Grid Search Part-->
              <tr>
              <td><%A5 ?x_Image_Upload.Output.Body.Grid_Echo %></td></tr>
              	<tr>
              		<td><%A5 ?x_Image_Upload.Output.Body.UpdateErrors %></td>
              <tr>
              		<td><!--Table cell for Grid Search Part (Will be blank if Grid uses a Master Layout Template)-->
              			<%A5 ?x_Image_Upload.Output.Body.Search_HTML %></td><!--End table cell for Grid Search Part-->
              	</tr><!--End table row for Grid Search Part-->
              	<tr><!--Table row for Grid Part-->
              		<td><%A5 ?x_Image_Upload.Output.Body.Grid_HTML %></td>
              	</tr><!--End table row for Grid Part-->
              	<tr><!--Table row for Grid Detail View Part-->
              		<td><!--Table cell for Grid Detail View Part (Will be blank if Grid uses a Master Layout Template)-->
              			<%A5 ?x_Image_Upload.Output.Body.DetailView_HTML	%></td><!--End table cell for Grid Search Part-->
              	</tr><!--End table row for Grid Search Part-->
              </table>
              <table cellPadding=0 background="" border=0>
              <p>&nbsp; 
                      <p></p>
              <form action="<%A5 ? request.script_name %> " method="post" enctype="multipart/form-data">
              <label><font color=#ffffff>Enter text to describe your 
                      document</font>     </label><p><textarea id=textarea1 name=attachtxt rows=5 cols=40></textarea><p>  
              <input type="file" name="FileToUpload" ><br >
              <input type="submit" name="cmd" value="Upload File"> 
              
              </form>
              <%a5 ? msg %></p></p>
                      </table><!--End table enclosing Grid component--><br></td></tr></tbody></table></p>
              </body></html>

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