How to pass the total number of gridview rows count value into other .aspx page

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Hai,

I am using gridview.It is having 20 rows.I want to pass the count value into next .aspx page.How can i do this.By using session it is ok?I tried by using session.But it is not populating the value.

Source page:

Session["Incidentgv"] = grdEmployee.Rows.Count.ToString();

Target page:

string incident=(string) Session["Incidentgv"];

Plz help me.

Thanks in advance

Posted 22-Dec-13 20:13pm

Member 10234093

Updated 28-Dec-13 23:37pm

agent_kruger

v3

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Comments

Jignesh Khant 23-Dec-13 2:15am

You want to populate row number or grid values?

Member 10234093 23-Dec-13 2:20am

total number of rows

thatraja 23-Dec-13 2:17am

what's the error?

Member 10234093 23-Dec-13 2:20am

Not passing the total rows count value (ie) 20 into other .aspx page.

thatraja 23-Dec-13 2:21am

Debug when you assign the value to session & make sure the count value there

Member 10234093 23-Dec-13 2:23am

Ya.I tried this.It showing "Object reference not set to instance of an object" during when break point comes under line "string incident=(string) Session["Incidentgv"];"

adriancs 30-Dec-13 23:33pm

the above code shows no problem

5 solutions

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Praveen_P · Answer 1 · 2013-12-23T00:53:00

Solution 1

For getting number of rows u can use

C#

grdEmployee.Rows.Count;

For passing this value to next page u can use query string as follows

Response.Redirect("page2.aspx?Count=value");

U can retrieve this value at page 2 as

String value = Request.QueryString["Count"]

Posted 23-Dec-13 0:53am

Praveen_P

KManishS · Answer 2 · 2013-12-23T16:53:00

Solution 3

string incident = Session["Incidentgv"].ToString();

Posted 23-Dec-13 16:53pm

KManishS

salah9 · Answer 3 · 2013-12-23T17:24:00

Before this line of code check if session is null or empty

C#

if(session["Incidentgv"]!=null)
{//If session doesn't contain any value then controll will not enter here.
  string incident=(string) Session["Incidentgv"];
}

If session is null then you may making it null some where else...

Karthik_Mahalingam · Answer 4 · 2013-12-23T17:56:00

Solution 5

hi make sure that you are assigning the session value after the databind method.

grdEmployee.DataBind();

C#

Session["Incidentgv"] = grdEmployee.Rows.Count.ToString();

Posted 23-Dec-13 17:56pm

Karthik_Mahalingam

Maciej Los · Answer 5 · 2013-12-23T01:28:00

Solution 2

Session is OK and code looks correct. Have you tried to debug program?

For further information, please see:
ASP.NET Session State Overview[^]
How to: Save Values in Session State[^]
How to: Read Values from Session State[^]
ASP.NET Session Helper (Scope, Categories)[^]

Posted 23-Dec-13 1:28am

Maciej Los