AJAX - Post to MVC Controller method without reloading page












0














I created an MVC View page where, when a user clicks a button, a Controller method is called. The method returns a text expression. This expression is then displayed in a pop-up message.



The pop-up functionality works when the button is clicked, however, it has an unwanted side effect of causing the page to reload. Is there a way to prevent this?



Here is the HTML which renders the button:






<button id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>





Here is the JavaScript:






$(function () {
$("#btnListGroups").click(function () {
var val = $("#ddlServiceID").val();
$.post("/Home/GetGroups", { serviceID: val }, function (data, textStatus)
{
alert(data);
});
});
})





And finally, here is the Controller method:



public partial class HomeController : Controller
{
public MvcHtmlString GetGroups(string serviceID)
{
ADHandler adHandler = new ADHandler();

string groups = adHandler.GetGroupMemberships(serviceID);
return new MvcHtmlString(groups);
}
}









share|improve this question


















  • 2




    This shouldn't be happening from a basic button click unless it is connected to a form. Did you try adding event.preventDefault(); to the js function?
    – Sean Leroy
    Nov 15 '18 at 18:04










  • is your button inside a form ? use preventDefault
    – Shyju
    Nov 15 '18 at 18:09










  • @SeanLeroy - Thanks! Yes, the button exists within a form block. adding event.preventDefault(); to the .click function resolved the issue.
    – Mike Bruno
    Nov 15 '18 at 18:16










  • Don't forget to install query.unobtrusive-ajax package from nuget manager in your project.
    – OfficalMesut
    Nov 16 '18 at 14:14


















0














I created an MVC View page where, when a user clicks a button, a Controller method is called. The method returns a text expression. This expression is then displayed in a pop-up message.



The pop-up functionality works when the button is clicked, however, it has an unwanted side effect of causing the page to reload. Is there a way to prevent this?



Here is the HTML which renders the button:






<button id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>





Here is the JavaScript:






$(function () {
$("#btnListGroups").click(function () {
var val = $("#ddlServiceID").val();
$.post("/Home/GetGroups", { serviceID: val }, function (data, textStatus)
{
alert(data);
});
});
})





And finally, here is the Controller method:



public partial class HomeController : Controller
{
public MvcHtmlString GetGroups(string serviceID)
{
ADHandler adHandler = new ADHandler();

string groups = adHandler.GetGroupMemberships(serviceID);
return new MvcHtmlString(groups);
}
}









share|improve this question


















  • 2




    This shouldn't be happening from a basic button click unless it is connected to a form. Did you try adding event.preventDefault(); to the js function?
    – Sean Leroy
    Nov 15 '18 at 18:04










  • is your button inside a form ? use preventDefault
    – Shyju
    Nov 15 '18 at 18:09










  • @SeanLeroy - Thanks! Yes, the button exists within a form block. adding event.preventDefault(); to the .click function resolved the issue.
    – Mike Bruno
    Nov 15 '18 at 18:16










  • Don't forget to install query.unobtrusive-ajax package from nuget manager in your project.
    – OfficalMesut
    Nov 16 '18 at 14:14
















0












0








0


0





I created an MVC View page where, when a user clicks a button, a Controller method is called. The method returns a text expression. This expression is then displayed in a pop-up message.



The pop-up functionality works when the button is clicked, however, it has an unwanted side effect of causing the page to reload. Is there a way to prevent this?



Here is the HTML which renders the button:






<button id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>





Here is the JavaScript:






$(function () {
$("#btnListGroups").click(function () {
var val = $("#ddlServiceID").val();
$.post("/Home/GetGroups", { serviceID: val }, function (data, textStatus)
{
alert(data);
});
});
})





And finally, here is the Controller method:



public partial class HomeController : Controller
{
public MvcHtmlString GetGroups(string serviceID)
{
ADHandler adHandler = new ADHandler();

string groups = adHandler.GetGroupMemberships(serviceID);
return new MvcHtmlString(groups);
}
}









share|improve this question













I created an MVC View page where, when a user clicks a button, a Controller method is called. The method returns a text expression. This expression is then displayed in a pop-up message.



The pop-up functionality works when the button is clicked, however, it has an unwanted side effect of causing the page to reload. Is there a way to prevent this?



Here is the HTML which renders the button:






<button id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>





Here is the JavaScript:






$(function () {
$("#btnListGroups").click(function () {
var val = $("#ddlServiceID").val();
$.post("/Home/GetGroups", { serviceID: val }, function (data, textStatus)
{
alert(data);
});
});
})





And finally, here is the Controller method:



public partial class HomeController : Controller
{
public MvcHtmlString GetGroups(string serviceID)
{
ADHandler adHandler = new ADHandler();

string groups = adHandler.GetGroupMemberships(serviceID);
return new MvcHtmlString(groups);
}
}





<button id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>





<button id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>





$(function () {
$("#btnListGroups").click(function () {
var val = $("#ddlServiceID").val();
$.post("/Home/GetGroups", { serviceID: val }, function (data, textStatus)
{
alert(data);
});
});
})





$(function () {
$("#btnListGroups").click(function () {
var val = $("#ddlServiceID").val();
$.post("/Home/GetGroups", { serviceID: val }, function (data, textStatus)
{
alert(data);
});
});
})






javascript c# jquery ajax asp.net-mvc






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 15 '18 at 17:45









Mike BrunoMike Bruno

6513




6513








  • 2




    This shouldn't be happening from a basic button click unless it is connected to a form. Did you try adding event.preventDefault(); to the js function?
    – Sean Leroy
    Nov 15 '18 at 18:04










  • is your button inside a form ? use preventDefault
    – Shyju
    Nov 15 '18 at 18:09










  • @SeanLeroy - Thanks! Yes, the button exists within a form block. adding event.preventDefault(); to the .click function resolved the issue.
    – Mike Bruno
    Nov 15 '18 at 18:16










  • Don't forget to install query.unobtrusive-ajax package from nuget manager in your project.
    – OfficalMesut
    Nov 16 '18 at 14:14
















  • 2




    This shouldn't be happening from a basic button click unless it is connected to a form. Did you try adding event.preventDefault(); to the js function?
    – Sean Leroy
    Nov 15 '18 at 18:04










  • is your button inside a form ? use preventDefault
    – Shyju
    Nov 15 '18 at 18:09










  • @SeanLeroy - Thanks! Yes, the button exists within a form block. adding event.preventDefault(); to the .click function resolved the issue.
    – Mike Bruno
    Nov 15 '18 at 18:16










  • Don't forget to install query.unobtrusive-ajax package from nuget manager in your project.
    – OfficalMesut
    Nov 16 '18 at 14:14










2




2




This shouldn't be happening from a basic button click unless it is connected to a form. Did you try adding event.preventDefault(); to the js function?
– Sean Leroy
Nov 15 '18 at 18:04




This shouldn't be happening from a basic button click unless it is connected to a form. Did you try adding event.preventDefault(); to the js function?
– Sean Leroy
Nov 15 '18 at 18:04












is your button inside a form ? use preventDefault
– Shyju
Nov 15 '18 at 18:09




is your button inside a form ? use preventDefault
– Shyju
Nov 15 '18 at 18:09












@SeanLeroy - Thanks! Yes, the button exists within a form block. adding event.preventDefault(); to the .click function resolved the issue.
– Mike Bruno
Nov 15 '18 at 18:16




@SeanLeroy - Thanks! Yes, the button exists within a form block. adding event.preventDefault(); to the .click function resolved the issue.
– Mike Bruno
Nov 15 '18 at 18:16












Don't forget to install query.unobtrusive-ajax package from nuget manager in your project.
– OfficalMesut
Nov 16 '18 at 14:14






Don't forget to install query.unobtrusive-ajax package from nuget manager in your project.
– OfficalMesut
Nov 16 '18 at 14:14














1 Answer
1






active

oldest

votes


















1














The page reload was occurring because the button exists within an HTML Form. By default, the "type" attribute of HTML buttons is "submit" unless otherwise specified. Since I hadn't specified a "type" for my button, clicking the button was being interpreted as as a form submit.



To resolve this, I set the type attribute for my button as "button"






<button type="button" id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>








share|improve this answer



















  • 4




    Also, <button /> default value for "type" is submit; if you define a button as <button type="button" .. /> it also won't postback.
    – Brian Mains
    Nov 15 '18 at 18:52






  • 2




    @MikeBruno +1 to Brian's solution as it is a bit cleaner in my opinion
    – GregH
    Nov 15 '18 at 20:02











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1 Answer
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active

oldest

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active

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1














The page reload was occurring because the button exists within an HTML Form. By default, the "type" attribute of HTML buttons is "submit" unless otherwise specified. Since I hadn't specified a "type" for my button, clicking the button was being interpreted as as a form submit.



To resolve this, I set the type attribute for my button as "button"






<button type="button" id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>








share|improve this answer



















  • 4




    Also, <button /> default value for "type" is submit; if you define a button as <button type="button" .. /> it also won't postback.
    – Brian Mains
    Nov 15 '18 at 18:52






  • 2




    @MikeBruno +1 to Brian's solution as it is a bit cleaner in my opinion
    – GregH
    Nov 15 '18 at 20:02
















1














The page reload was occurring because the button exists within an HTML Form. By default, the "type" attribute of HTML buttons is "submit" unless otherwise specified. Since I hadn't specified a "type" for my button, clicking the button was being interpreted as as a form submit.



To resolve this, I set the type attribute for my button as "button"






<button type="button" id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>








share|improve this answer



















  • 4




    Also, <button /> default value for "type" is submit; if you define a button as <button type="button" .. /> it also won't postback.
    – Brian Mains
    Nov 15 '18 at 18:52






  • 2




    @MikeBruno +1 to Brian's solution as it is a bit cleaner in my opinion
    – GregH
    Nov 15 '18 at 20:02














1












1








1






The page reload was occurring because the button exists within an HTML Form. By default, the "type" attribute of HTML buttons is "submit" unless otherwise specified. Since I hadn't specified a "type" for my button, clicking the button was being interpreted as as a form submit.



To resolve this, I set the type attribute for my button as "button"






<button type="button" id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>








share|improve this answer














The page reload was occurring because the button exists within an HTML Form. By default, the "type" attribute of HTML buttons is "submit" unless otherwise specified. Since I hadn't specified a "type" for my button, clicking the button was being interpreted as as a form submit.



To resolve this, I set the type attribute for my button as "button"






<button type="button" id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>








<button type="button" id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>





<button type="button" id="btnListGroups" title="List the groups the selected service ID is a member of">List Groups</button>






share|improve this answer














share|improve this answer



share|improve this answer








edited Nov 16 '18 at 14:11

























answered Nov 15 '18 at 18:21









Mike BrunoMike Bruno

6513




6513








  • 4




    Also, <button /> default value for "type" is submit; if you define a button as <button type="button" .. /> it also won't postback.
    – Brian Mains
    Nov 15 '18 at 18:52






  • 2




    @MikeBruno +1 to Brian's solution as it is a bit cleaner in my opinion
    – GregH
    Nov 15 '18 at 20:02














  • 4




    Also, <button /> default value for "type" is submit; if you define a button as <button type="button" .. /> it also won't postback.
    – Brian Mains
    Nov 15 '18 at 18:52






  • 2




    @MikeBruno +1 to Brian's solution as it is a bit cleaner in my opinion
    – GregH
    Nov 15 '18 at 20:02








4




4




Also, <button /> default value for "type" is submit; if you define a button as <button type="button" .. /> it also won't postback.
– Brian Mains
Nov 15 '18 at 18:52




Also, <button /> default value for "type" is submit; if you define a button as <button type="button" .. /> it also won't postback.
– Brian Mains
Nov 15 '18 at 18:52




2




2




@MikeBruno +1 to Brian's solution as it is a bit cleaner in my opinion
– GregH
Nov 15 '18 at 20:02




@MikeBruno +1 to Brian's solution as it is a bit cleaner in my opinion
– GregH
Nov 15 '18 at 20:02


















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