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ASP.NET buttonclick called after master page load when trying to create session

treeview position maintain in asp.netASP .NET Login Session How to destroy session object when logging out from Home Page?event of asp.net master page not firingLogin user after signupwhy am i getting HttpPostedFile object reference null when i put FileUpload control into update panelIssue when Trying to Fire a ASP.NET Custom Control Button EventSession variable not maintained on Response.RedirectHow to stop opening a login page in (asp.net webforms) when user is already logged in the same browser in different tabhow to store into a session and display current users informationi saw the earlier posts but it didn't work. “Obj ref not set to an instance of an object”

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0

I am trying to create a session when a user clicks a button. I want to update controls on the master.aspx page after the session is created from the login button being clicked. However the master.aspx page_load is being called before the button click function. Any ideas on how I could work around this?

Default.aspx.cs

protected void ButtonLoginIn_Click(object sender, EventArgs e)

 Session["username"] = "Joe";

Master.aspx.cs

protected void Page_Load(object sender, EventArgs e)

 if (Session["username"] == null)
 
 LinkLoginInOut.Text = "Sign In";
 
 else
 
 string sessionId = Session["username"].ToString();
 LabelDbUserName.Text = "Joe";
 LinkLoginInOut.Text = "Log Out";
 

asp.net session

share|improve this question

asked Mar 26 at 19:59

John DoeJohn Doe

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add a comment | 

0

I am trying to create a session when a user clicks a button. I want to update controls on the master.aspx page after the session is created from the login button being clicked. However the master.aspx page_load is being called before the button click function. Any ideas on how I could work around this?

Default.aspx.cs

protected void ButtonLoginIn_Click(object sender, EventArgs e)

 Session["username"] = "Joe";

Master.aspx.cs

protected void Page_Load(object sender, EventArgs e)

 if (Session["username"] == null)
 
 LinkLoginInOut.Text = "Sign In";
 
 else
 
 string sessionId = Session["username"].ToString();
 LabelDbUserName.Text = "Joe";
 LinkLoginInOut.Text = "Log Out";
 

asp.net session

share|improve this question

asked Mar 26 at 19:59

John DoeJohn Doe

78999 gold badges2222 silver badges4444 bronze badges

add a comment | 

I am trying to create a session when a user clicks a button. I want to update controls on the master.aspx page after the session is created from the login button being clicked. However the master.aspx page_load is being called before the button click function. Any ideas on how I could work around this?

Default.aspx.cs

protected void ButtonLoginIn_Click(object sender, EventArgs e)

 Session["username"] = "Joe";

Master.aspx.cs

protected void Page_Load(object sender, EventArgs e)

 if (Session["username"] == null)
 
 LinkLoginInOut.Text = "Sign In";
 
 else
 
 string sessionId = Session["username"].ToString();
 LabelDbUserName.Text = "Joe";
 LinkLoginInOut.Text = "Log Out";
 

asp.net session

share|improve this question

asked Mar 26 at 19:59

John DoeJohn Doe

78999 gold badges2222 silver badges4444 bronze badges

protected void ButtonLoginIn_Click(object sender, EventArgs e)

 Session["username"] = "Joe";

protected void Page_Load(object sender, EventArgs e)

 if (Session["username"] == null)
 
 LinkLoginInOut.Text = "Sign In";
 
 else
 
 string sessionId = Session["username"].ToString();
 LabelDbUserName.Text = "Joe";
 LinkLoginInOut.Text = "Log Out";
 

share|improve this question

asked Mar 26 at 19:59

John DoeJohn Doe

78999 gold badges2222 silver badges4444 bronze badges

share|improve this question

asked Mar 26 at 19:59

John DoeJohn Doe

78999 gold badges2222 silver badges4444 bronze badges

asked Mar 26 at 19:59

John DoeJohn Doe

78999 gold badges2222 silver badges4444 bronze badges

asked Mar 26 at 19:59

John DoeJohn Doe

78999 gold badges2222 silver badges4444 bronze badges

2 Answers
2

active

oldest

votes

1

You can simply use FindControl on the Master

LinkButton lb = Master.FindControl("LinkButton1") as LinkButton;
lb.Text = "LinkButton Master";

share|improve this answer

answered Mar 26 at 21:49

VDWWDVDWWD

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add a comment | 

0

You can try to move the code in the Page_Load event of the masterpage to an event, that is called after the button_click event. That way the changes to the session occur before the updating of the masterpage. You can try the Page_LoadComplete event. Please check the "asp.net page life cycle" documentation for the sequence, in which the different page events are called.

share|improve this answer

edited Mar 26 at 20:26

answered Mar 26 at 20:08

Volkmar RigoVolkmar Rigo

7441111 silver badges2929 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  but then I can't update the master.aspx page controls from the default.aspx.cs..
  
  – John Doe
  Mar 26 at 20:16
  

  
  
  
  

add a comment | 

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1

You can simply use FindControl on the Master

LinkButton lb = Master.FindControl("LinkButton1") as LinkButton;
lb.Text = "LinkButton Master";

share|improve this answer

answered Mar 26 at 21:49

VDWWDVDWWD

26.2k1313 gold badges3939 silver badges5858 bronze badges

add a comment | 

1

You can simply use FindControl on the Master

LinkButton lb = Master.FindControl("LinkButton1") as LinkButton;
lb.Text = "LinkButton Master";

share|improve this answer

answered Mar 26 at 21:49

VDWWDVDWWD

26.2k1313 gold badges3939 silver badges5858 bronze badges

add a comment | 

You can simply use FindControl on the Master

LinkButton lb = Master.FindControl("LinkButton1") as LinkButton;
lb.Text = "LinkButton Master";

share|improve this answer

answered Mar 26 at 21:49

VDWWDVDWWD

26.2k1313 gold badges3939 silver badges5858 bronze badges

LinkButton lb = Master.FindControl("LinkButton1") as LinkButton;
lb.Text = "LinkButton Master";

share|improve this answer

answered Mar 26 at 21:49

VDWWDVDWWD

26.2k1313 gold badges3939 silver badges5858 bronze badges

answered Mar 26 at 21:49

VDWWDVDWWD

26.2k1313 gold badges3939 silver badges5858 bronze badges

answered Mar 26 at 21:49

VDWWDVDWWD

26.2k1313 gold badges3939 silver badges5858 bronze badges

0

You can try to move the code in the Page_Load event of the masterpage to an event, that is called after the button_click event. That way the changes to the session occur before the updating of the masterpage. You can try the Page_LoadComplete event. Please check the "asp.net page life cycle" documentation for the sequence, in which the different page events are called.

share|improve this answer

edited Mar 26 at 20:26

answered Mar 26 at 20:08

Volkmar RigoVolkmar Rigo

7441111 silver badges2929 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  but then I can't update the master.aspx page controls from the default.aspx.cs..
  
  – John Doe
  Mar 26 at 20:16
  

  
  
  
  

add a comment | 

0

You can try to move the code in the Page_Load event of the masterpage to an event, that is called after the button_click event. That way the changes to the session occur before the updating of the masterpage. You can try the Page_LoadComplete event. Please check the "asp.net page life cycle" documentation for the sequence, in which the different page events are called.

share|improve this answer

edited Mar 26 at 20:26

answered Mar 26 at 20:08

Volkmar RigoVolkmar Rigo

7441111 silver badges2929 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  but then I can't update the master.aspx page controls from the default.aspx.cs..
  
  – John Doe
  Mar 26 at 20:16
  

  
  
  
  

add a comment | 

You can try to move the code in the Page_Load event of the masterpage to an event, that is called after the button_click event. That way the changes to the session occur before the updating of the masterpage. You can try the Page_LoadComplete event. Please check the "asp.net page life cycle" documentation for the sequence, in which the different page events are called.

share|improve this answer

edited Mar 26 at 20:26

answered Mar 26 at 20:08

Volkmar RigoVolkmar Rigo

7441111 silver badges2929 bronze badges

share|improve this answer

edited Mar 26 at 20:26

answered Mar 26 at 20:08

Volkmar RigoVolkmar Rigo

7441111 silver badges2929 bronze badges

answered Mar 26 at 20:08

Volkmar RigoVolkmar Rigo

7441111 silver badges2929 bronze badges

answered Mar 26 at 20:08

Volkmar RigoVolkmar Rigo

7441111 silver badges2929 bronze badges