Accessing a button click of User Control in Parent page UWP











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I have a user control created with name as UserControl.



This user control have a label and a button.



I use this user control in one of my page(lets say Page1), but this user control is generated based on the entries in DB. For eg: I have an entry in DB which has a column with name as 'UC1'. So on page(Page1) load, I dynamically add this usercontrol on the page.



Now when the page is loaded, I want the button click to method to be implemented in Page1 code behind. Could anyone let me know how is this possible. I am facing issue as the use control is dynamically generated and since multiple instances of usercontrols can be generated in the page based on the DB entries.



In short I want to call a method in code behind of parent page for the user control that is dynamically generated inside the parent page










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    up vote
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    down vote

    favorite












    I have a user control created with name as UserControl.



    This user control have a label and a button.



    I use this user control in one of my page(lets say Page1), but this user control is generated based on the entries in DB. For eg: I have an entry in DB which has a column with name as 'UC1'. So on page(Page1) load, I dynamically add this usercontrol on the page.



    Now when the page is loaded, I want the button click to method to be implemented in Page1 code behind. Could anyone let me know how is this possible. I am facing issue as the use control is dynamically generated and since multiple instances of usercontrols can be generated in the page based on the DB entries.



    In short I want to call a method in code behind of parent page for the user control that is dynamically generated inside the parent page










    share|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I have a user control created with name as UserControl.



      This user control have a label and a button.



      I use this user control in one of my page(lets say Page1), but this user control is generated based on the entries in DB. For eg: I have an entry in DB which has a column with name as 'UC1'. So on page(Page1) load, I dynamically add this usercontrol on the page.



      Now when the page is loaded, I want the button click to method to be implemented in Page1 code behind. Could anyone let me know how is this possible. I am facing issue as the use control is dynamically generated and since multiple instances of usercontrols can be generated in the page based on the DB entries.



      In short I want to call a method in code behind of parent page for the user control that is dynamically generated inside the parent page










      share|improve this question













      I have a user control created with name as UserControl.



      This user control have a label and a button.



      I use this user control in one of my page(lets say Page1), but this user control is generated based on the entries in DB. For eg: I have an entry in DB which has a column with name as 'UC1'. So on page(Page1) load, I dynamically add this usercontrol on the page.



      Now when the page is loaded, I want the button click to method to be implemented in Page1 code behind. Could anyone let me know how is this possible. I am facing issue as the use control is dynamically generated and since multiple instances of usercontrols can be generated in the page based on the DB entries.



      In short I want to call a method in code behind of parent page for the user control that is dynamically generated inside the parent page







      c# .net user-controls uwp-xaml






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      share|improve this question











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      share|improve this question










      asked Nov 21 at 14:32









      MadMax

      51




      51
























          1 Answer
          1






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          accepted










          Supposed the Button is named ‘btn1’, and the TextBlock named ‘textBlock1’, you can wire up like this



          for (int i = 0; i < 3; i++)
          {
          MyUserControl c = new MyUserControl();
          c.btn1.Click += (o, args) =>
          {
          c.textBlock1.Text = DateTime.Now.ToString();
          };

          //then add the user control to the page
          this.stackPanel1.Children.Add(c);
          }


          And add an x:FieldModifier attribute to the elements so you can access them from outside.



          <Button x:Name=“btn1” x:FieldModifier=“public” ...





          share|improve this answer























          • I am able to set the eventhandler as mentioned above after setting it as public. But the even doesnt get triggered once I click on the button. Is anything else need to be done?
            – MadMax
            Nov 21 at 17:08










          • Thank you I am able to access it now. Now having triggered the button click event from parent page, how can I access the other controls defined in the usercontrol. For eg: I need to change the Text of TextBlock in the user control after the specific button was clicked.
            – MadMax
            Nov 21 at 17:37










          • @MadMax see my updated answer, I use an lambada expression to replace the event handler, in the lambda expression, you can access the specific UserControl.
            – kennyzx
            Nov 22 at 4:40











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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes








          up vote
          0
          down vote



          accepted










          Supposed the Button is named ‘btn1’, and the TextBlock named ‘textBlock1’, you can wire up like this



          for (int i = 0; i < 3; i++)
          {
          MyUserControl c = new MyUserControl();
          c.btn1.Click += (o, args) =>
          {
          c.textBlock1.Text = DateTime.Now.ToString();
          };

          //then add the user control to the page
          this.stackPanel1.Children.Add(c);
          }


          And add an x:FieldModifier attribute to the elements so you can access them from outside.



          <Button x:Name=“btn1” x:FieldModifier=“public” ...





          share|improve this answer























          • I am able to set the eventhandler as mentioned above after setting it as public. But the even doesnt get triggered once I click on the button. Is anything else need to be done?
            – MadMax
            Nov 21 at 17:08










          • Thank you I am able to access it now. Now having triggered the button click event from parent page, how can I access the other controls defined in the usercontrol. For eg: I need to change the Text of TextBlock in the user control after the specific button was clicked.
            – MadMax
            Nov 21 at 17:37










          • @MadMax see my updated answer, I use an lambada expression to replace the event handler, in the lambda expression, you can access the specific UserControl.
            – kennyzx
            Nov 22 at 4:40















          up vote
          0
          down vote



          accepted










          Supposed the Button is named ‘btn1’, and the TextBlock named ‘textBlock1’, you can wire up like this



          for (int i = 0; i < 3; i++)
          {
          MyUserControl c = new MyUserControl();
          c.btn1.Click += (o, args) =>
          {
          c.textBlock1.Text = DateTime.Now.ToString();
          };

          //then add the user control to the page
          this.stackPanel1.Children.Add(c);
          }


          And add an x:FieldModifier attribute to the elements so you can access them from outside.



          <Button x:Name=“btn1” x:FieldModifier=“public” ...





          share|improve this answer























          • I am able to set the eventhandler as mentioned above after setting it as public. But the even doesnt get triggered once I click on the button. Is anything else need to be done?
            – MadMax
            Nov 21 at 17:08










          • Thank you I am able to access it now. Now having triggered the button click event from parent page, how can I access the other controls defined in the usercontrol. For eg: I need to change the Text of TextBlock in the user control after the specific button was clicked.
            – MadMax
            Nov 21 at 17:37










          • @MadMax see my updated answer, I use an lambada expression to replace the event handler, in the lambda expression, you can access the specific UserControl.
            – kennyzx
            Nov 22 at 4:40













          up vote
          0
          down vote



          accepted







          up vote
          0
          down vote



          accepted






          Supposed the Button is named ‘btn1’, and the TextBlock named ‘textBlock1’, you can wire up like this



          for (int i = 0; i < 3; i++)
          {
          MyUserControl c = new MyUserControl();
          c.btn1.Click += (o, args) =>
          {
          c.textBlock1.Text = DateTime.Now.ToString();
          };

          //then add the user control to the page
          this.stackPanel1.Children.Add(c);
          }


          And add an x:FieldModifier attribute to the elements so you can access them from outside.



          <Button x:Name=“btn1” x:FieldModifier=“public” ...





          share|improve this answer














          Supposed the Button is named ‘btn1’, and the TextBlock named ‘textBlock1’, you can wire up like this



          for (int i = 0; i < 3; i++)
          {
          MyUserControl c = new MyUserControl();
          c.btn1.Click += (o, args) =>
          {
          c.textBlock1.Text = DateTime.Now.ToString();
          };

          //then add the user control to the page
          this.stackPanel1.Children.Add(c);
          }


          And add an x:FieldModifier attribute to the elements so you can access them from outside.



          <Button x:Name=“btn1” x:FieldModifier=“public” ...






          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Nov 22 at 5:47

























          answered Nov 21 at 15:46









          kennyzx

          9,66542263




          9,66542263












          • I am able to set the eventhandler as mentioned above after setting it as public. But the even doesnt get triggered once I click on the button. Is anything else need to be done?
            – MadMax
            Nov 21 at 17:08










          • Thank you I am able to access it now. Now having triggered the button click event from parent page, how can I access the other controls defined in the usercontrol. For eg: I need to change the Text of TextBlock in the user control after the specific button was clicked.
            – MadMax
            Nov 21 at 17:37










          • @MadMax see my updated answer, I use an lambada expression to replace the event handler, in the lambda expression, you can access the specific UserControl.
            – kennyzx
            Nov 22 at 4:40


















          • I am able to set the eventhandler as mentioned above after setting it as public. But the even doesnt get triggered once I click on the button. Is anything else need to be done?
            – MadMax
            Nov 21 at 17:08










          • Thank you I am able to access it now. Now having triggered the button click event from parent page, how can I access the other controls defined in the usercontrol. For eg: I need to change the Text of TextBlock in the user control after the specific button was clicked.
            – MadMax
            Nov 21 at 17:37










          • @MadMax see my updated answer, I use an lambada expression to replace the event handler, in the lambda expression, you can access the specific UserControl.
            – kennyzx
            Nov 22 at 4:40
















          I am able to set the eventhandler as mentioned above after setting it as public. But the even doesnt get triggered once I click on the button. Is anything else need to be done?
          – MadMax
          Nov 21 at 17:08




          I am able to set the eventhandler as mentioned above after setting it as public. But the even doesnt get triggered once I click on the button. Is anything else need to be done?
          – MadMax
          Nov 21 at 17:08












          Thank you I am able to access it now. Now having triggered the button click event from parent page, how can I access the other controls defined in the usercontrol. For eg: I need to change the Text of TextBlock in the user control after the specific button was clicked.
          – MadMax
          Nov 21 at 17:37




          Thank you I am able to access it now. Now having triggered the button click event from parent page, how can I access the other controls defined in the usercontrol. For eg: I need to change the Text of TextBlock in the user control after the specific button was clicked.
          – MadMax
          Nov 21 at 17:37












          @MadMax see my updated answer, I use an lambada expression to replace the event handler, in the lambda expression, you can access the specific UserControl.
          – kennyzx
          Nov 22 at 4:40




          @MadMax see my updated answer, I use an lambada expression to replace the event handler, in the lambda expression, you can access the specific UserControl.
          – kennyzx
          Nov 22 at 4:40


















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