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Creating a "Back" button in VB.Net/ASP.NetYes, I know why would I want to create a back button when there is one on
the browser? Because that's what the users want! they want a "Previous" button that they can click from any web page in our application that will do the exact same thing as the Back button in the browser. Can anyone give me any suggestions on how to do this using VB .Net? I have Googled for "Create Back Button" and found stuff in JavaScript and HTML but nothing in VB .Net. Can this be done as simply as doing a response.redirect? Any help would be appreciated. Coleen
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"Coleen" <coleenhol***@yahoo.com> schrieb: As the action takes place on the client (as does pressing the browser's > Yes, I know why would I want to create a back button when there is one on > the browser? Because that's what the users want! they want a "Previous" > button that they can click from any web page in our application that will > do > the exact same thing as the Back button in the browser. Can anyone give > me > any suggestions on how to do this using VB .Net? I have Googled for > "Create > Back Button" and found stuff in JavaScript and HTML but nothing in VB > .Net. > Can this be done as simply as doing a response.redirect? Any help would > be > appreciated. "Back" button) you may want to use client-side JavaScript. Solutions can be found on the Web. -- M S Herfried K. Wagner M V P <URL:http://dotnet.mvps.org/> V B <URL:http://classicvb.org/petition/> Yes, I know I can use JavaScript, thanks. I was trying to find out if there
is a way to do this using VB.Net? I have been reading all the help files and searching on-line but can't find anything to accomplish this in VB .Net. Is this not supported by .Net? Why is it that things that should be very simple are so convoluted in .Net? Show quoteHide quote "Herfried K. Wagner [MVP]" <hirf-spam-me-here@gmx.at> wrote in message news:Oupxe%23rfGHA.764@TK2MSFTNGP05.phx.gbl... > "Coleen" <coleenhol***@yahoo.com> schrieb: > > Yes, I know why would I want to create a back button when there is one on > > the browser? Because that's what the users want! they want a "Previous" > > button that they can click from any web page in our application that will > > do > > the exact same thing as the Back button in the browser. Can anyone give > > me > > any suggestions on how to do this using VB .Net? I have Googled for > > "Create > > Back Button" and found stuff in JavaScript and HTML but nothing in VB > > .Net. > > Can this be done as simply as doing a response.redirect? Any help would > > be > > appreciated. > > As the action takes place on the client (as does pressing the browser's > "Back" button) you may want to use client-side JavaScript. Solutions can be > found on the Web. > > -- > M S Herfried K. Wagner > M V P <URL:http://dotnet.mvps.org/> > V B <URL:http://classicvb.org/petition/> > >> Is this not supported by .Net? Why would it be? .Net runs on the server, and you are trying to perform aclient action. >> Why is it that things that should be very simple are so convoluted in What makes you think it's simple? Is because you think simply?..Net? Or is it because you are trying so hard to *make* it not simple? Why do you want to go back to the server to perform an action that is handled more simply, and natively on the client? What is convoluted about it? Of course, if you insist on going back to the server, I guess you could store the previous page in a session variable, post back to the server, read the variable, and redirect to that page. But, that would be not simple, and also very convoluted. Oh, yeah - and stupid. Bob Lehmann Show quoteHide quote "Coleen" <coleenhol***@yahoo.com> wrote in message news:%23Lxi0QsfGHA.2172@TK2MSFTNGP04.phx.gbl... > Yes, I know I can use JavaScript, thanks. I was trying to find out if there > is a way to do this using VB.Net? I have been reading all the help files > and searching on-line but can't find anything to accomplish this in VB ..Net. > Is this not supported by .Net? Why is it that things that should be very > simple are so convoluted in .Net? > > "Herfried K. Wagner [MVP]" <hirf-spam-me-here@gmx.at> wrote in message > news:Oupxe%23rfGHA.764@TK2MSFTNGP05.phx.gbl... > > "Coleen" <coleenhol***@yahoo.com> schrieb: > > > Yes, I know why would I want to create a back button when there is one > on > > > the browser? Because that's what the users want! they want a > "Previous" > > > button that they can click from any web page in our application that > will > > > do > > > the exact same thing as the Back button in the browser. Can anyone give > > > me > > > any suggestions on how to do this using VB .Net? I have Googled for > > > "Create > > > Back Button" and found stuff in JavaScript and HTML but nothing in VB > > > .Net. > > > Can this be done as simply as doing a response.redirect? Any help would > > > be > > > appreciated. > > > > As the action takes place on the client (as does pressing the browser's > > "Back" button) you may want to use client-side JavaScript. Solutions can > be > > found on the Web. > > > > -- > > M S Herfried K. Wagner > > M V P <URL:http://dotnet.mvps.org/> > > V B <URL:http://classicvb.org/petition/> > > > > Thanks for your insults - I mean input!
Show quoteHide quote "Bob Lehmann" <nospam@dontbotherme.zzz> wrote in message news:u%23MSNUtfGHA.1456@TK2MSFTNGP04.phx.gbl... > >> Is this not supported by .Net? > > Why would it be? .Net runs on the server, and you are trying to perform a > client action. > > >> Why is it that things that should be very simple are so convoluted in > .Net? > > What makes you think it's simple? Is because you think simply? > > Or is it because you are trying so hard to *make* it not simple? > > Why do you want to go back to the server to perform an action that is > handled more simply, and natively on the client? > > What is convoluted about it? > > Of course, if you insist on going back to the server, I guess you could > store the previous page in a session variable, post back to the server, read > the variable, and redirect to that page. > > But, that would be not simple, and also very convoluted. Oh, yeah - and > stupid. > > Bob Lehmann > > "Coleen" <coleenhol***@yahoo.com> wrote in message > news:%23Lxi0QsfGHA.2172@TK2MSFTNGP04.phx.gbl... > > Yes, I know I can use JavaScript, thanks. I was trying to find out if > there > > is a way to do this using VB.Net? I have been reading all the help files > > and searching on-line but can't find anything to accomplish this in VB > .Net. > > Is this not supported by .Net? Why is it that things that should be very > > simple are so convoluted in .Net? > > > > "Herfried K. Wagner [MVP]" <hirf-spam-me-here@gmx.at> wrote in message > > news:Oupxe%23rfGHA.764@TK2MSFTNGP05.phx.gbl... > > > "Coleen" <coleenhol***@yahoo.com> schrieb: > > > > Yes, I know why would I want to create a back button when there is one > > on > > > > the browser? Because that's what the users want! they want a > > "Previous" > > > > button that they can click from any web page in our application that > > will > > > > do > > > > the exact same thing as the Back button in the browser. Can anyone > give > > > > me > > > > any suggestions on how to do this using VB .Net? I have Googled for > > > > "Create > > > > Back Button" and found stuff in JavaScript and HTML but nothing in VB > > > > .Net. > > > > Can this be done as simply as doing a response.redirect? Any help > would > > > > be > > > > appreciated. > > > > > > As the action takes place on the client (as does pressing the browser's > > > "Back" button) you may want to use client-side JavaScript. Solutions > can > > be > > > found on the Web. > > > > > > -- > > > M S Herfried K. Wagner > > > M V P <URL:http://dotnet.mvps.org/> > > > V B <URL:http://classicvb.org/petition/> > > > > > > > > > Sorry I couldn't Resist :-)
The plain "simple" truth is that I don't know JavaScript - and honestly do NOT know that much about what calls the server and what calls the client so I did not realize that Javascript does not call the server while .Net does...so my remarks were in ignorance of .Net's capabilities not meant to belittle .Net - only that I thought this should be a simple thing to do. The problem I am having is that since I do not Know JavaScript, the code that I have found on-line to do this simple (yes the CODE IS simple in JavaScript and even in HTML!) but I am using a User Control that has multiple buttons and I put the code for the Back button in the User Control VB code-behind: btn_prev.Attributes.Add("onclick", "javascript:history.go(-1);") btn_prev.Attributes.Add("onclick", "javascript:history.back();") Neither one of these works, and since I don't know JavaScript I do NOT know how to get this to work! If you have any suggestions I would appreciate them. Coleen Show quoteHide quote "Coleen" <coleenhol***@yahoo.com> wrote in message news:e9ujOU0fGHA.4900@TK2MSFTNGP02.phx.gbl... > Thanks for your insults - I mean input! > > "Bob Lehmann" <nospam@dontbotherme.zzz> wrote in message > news:u%23MSNUtfGHA.1456@TK2MSFTNGP04.phx.gbl... > > >> Is this not supported by .Net? > > > > Why would it be? .Net runs on the server, and you are trying to perform a > > client action. > > > > >> Why is it that things that should be very simple are so convoluted in > > .Net? > > > > What makes you think it's simple? Is because you think simply? > > > > Or is it because you are trying so hard to *make* it not simple? > > > > Why do you want to go back to the server to perform an action that is > > handled more simply, and natively on the client? > > > > What is convoluted about it? > > > > Of course, if you insist on going back to the server, I guess you could > > store the previous page in a session variable, post back to the server, > read > > the variable, and redirect to that page. > > > > But, that would be not simple, and also very convoluted. Oh, yeah - and > > stupid. > > > > Bob Lehmann > > > > "Coleen" <coleenhol***@yahoo.com> wrote in message > > news:%23Lxi0QsfGHA.2172@TK2MSFTNGP04.phx.gbl... > > > Yes, I know I can use JavaScript, thanks. I was trying to find out if > > there > > > is a way to do this using VB.Net? I have been reading all the help > files > > > and searching on-line but can't find anything to accomplish this in VB > > .Net. > > > Is this not supported by .Net? Why is it that things that should be > very > > > simple are so convoluted in .Net? > > > > > > "Herfried K. Wagner [MVP]" <hirf-spam-me-here@gmx.at> wrote in message > > > news:Oupxe%23rfGHA.764@TK2MSFTNGP05.phx.gbl... > > > > "Coleen" <coleenhol***@yahoo.com> schrieb: > > > > > Yes, I know why would I want to create a back button when there is > one > > > on > > > > > the browser? Because that's what the users want! they want a > > > "Previous" > > > > > button that they can click from any web page in our application that > > > will > > > > > do > > > > > the exact same thing as the Back button in the browser. Can anyone > > give > > > > > me > > > > > any suggestions on how to do this using VB .Net? I have Googled for > > > > > "Create > > > > > Back Button" and found stuff in JavaScript and HTML but nothing in > VB > > > > > .Net. > > > > > Can this be done as simply as doing a response.redirect? Any help > > would > > > > > be > > > > > appreciated. > > > > > > > > As the action takes place on the client (as does pressing the > browser's > > > > "Back" button) you may want to use client-side JavaScript. Solutions > > can > > > be > > > > found on the Web. > > > > > > > > -- > > > > M S Herfried K. Wagner > > > > M V P <URL:http://dotnet.mvps.org/> > > > > V B <URL:http://classicvb.org/petition/> > > > > > > > > > > > > > > > > i think that this would be complex in vb.net; i mean-- you would need
to encode an undo functionality to everything you. perhaps starting a transaction and not commiting it would be the way to go? are you building data entry apps?? -Aaron Yes. The app is an on-line entry for users and we have created a "Footer"
user control that has all the buttons for Back, Submit, Next , Add, Clear or Update the current page. Some buttons will have slightly different functions from page to page, but buttons such as the Back, Next, and Submit will always do the same thing. So I am trying to set up the code to do the Back and next buttons in the User Control. The code I showed before for the JavaScript doesn't work, so since I'm not a JavaScript programmer I don't know how to troubleshoot it. If you have any suggestions on how to embed a JavaScript function in a VB/ASCX User Control, I would greatly appreciate any help. Thanks :-) Coleen <aaron.ke***@gmail.com> wrote in message Show quoteHide quote news:1148493471.895833.277870@j33g2000cwa.googlegroups.com... > i think that this would be complex in vb.net; i mean-- you would need > to encode an undo functionality to everything you. > > perhaps starting a transaction and not commiting it would be the way to > go? > > are you building data entry apps?? > > -Aaron > Okay - I got some help from someone who knows JavaScript here and we solved
this by putting the code: btn_prev.Attributes.Add("onclick", "javascript: history.go(-1); return false;") in the Page load of the user control instead of in the Click event of the control. Two things here - I was not using the return false option or spacing the JavaScript code correctly, and the code has to be in the page load not in the Click event. Any way, this is the solution for any one else who comes across this problem. Coleen Show quoteHide quote "Coleen" <coleenhol***@yahoo.com> wrote in message news:%23jDhfUrfGHA.3456@TK2MSFTNGP05.phx.gbl... > Yes, I know why would I want to create a back button when there is one on > the browser? Because that's what the users want! they want a "Previous" > button that they can click from any web page in our application that will do > the exact same thing as the Back button in the browser. Can anyone give me > any suggestions on how to do this using VB .Net? I have Googled for "Create > Back Button" and found stuff in JavaScript and HTML but nothing in VB ..Net. > Can this be done as simply as doing a response.redirect? Any help would be > appreciated. > > Coleen > > 
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