how to pass values from page to popup and then popup to next page through querystring

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I want to pass values of one page to 2nd but on 1st page i want show popup for login on linkbutton. i am using listview

//mycode on 1st page linkbuttn in listview

C#

protected void LstvwProSubCat_ItemCommand(object sender, ListViewCommandEventArgs e)
    {

        if (ProfileID == 0)
        {
            MpeLogin.Show();
            //MessageBox.Show("To View Product Title You Need To Login First");

        }
        else
        {
            if (e.CommandName == "ProSubCategary")
            {
              );

                string[] args = e.CommandArgument.ToString().Split(new char[] { ',' });
                int pgid = Convert.ToInt32(args[0]);
                int pcid = Convert.ToInt32(args[1]);
                int psdid = Convert.ToInt32(args[2]);
                Server.Transfer("product_title.aspx?pgid='" + pgid + "' & pcid='" + pcid + "'&psdid='" + psdid + "'");
            }

        }
    }

//code for popup

C#

protected void BtnATLogin_Command(object sender, CommandEventArgs e)
    {
        if (e.CommandName == "Login")
        {
            string[] args = e.CommandArgument.ToString().Split(new char[] { ',' });
            int pgid = Convert.ToInt32(args[0]);
            int pcid = Convert.ToInt32(args[1]);
            int psdid = Convert.ToInt32(args[2]);
            Server.Transfer("product_title.aspx?pgid='" + pgid + "' & pcid='" + pcid + "'&psdid='" + psdid + "'");
        }
    }

//next page

C#

string val1 = Request.QueryString[0];
        string val2 = Request.QueryString[1];
        string val3 = Request.QueryString[2];

Posted 1-Feb-13 18:49pm

Member 9579525

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Comments

[no name] 2-Feb-13 1:52am

What is error ? Where do you stuck ?

Member 9579525 2-Feb-13 1:58am

error is "input string is not in correct format"

[no name] 2-Feb-13 2:06am

at which line ?

1 solution

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Sandeep Mewara · Answer 1 · 2013-02-02T05:50:00

Potential place looks like:

C#

int pgid = Convert.ToInt32(args[0]);
int pcid = Convert.ToInt32(args[1]);
int psdid = Convert.ToInt32(args[2]);

You are directly converting the strings into Int32. Make sure all of them are actually convertible to integer.

Couple of other observations:
1. I hope ProfileID is an integer as you used in comparison in if statement
2. Not sure why you converted the string array into integers and then back to string concatenation.
Instead of below:

C#

string[] args = e.CommandArgument.ToString().Split(new char[] { ',' });
int pgid = Convert.ToInt32(args[0]);
int pcid = Convert.ToInt32(args[1]);
int psdid = Convert.ToInt32(args[2]);
Server.Transfer("product_title.aspx?pgid='" + pgid + "' & pcid='" + pcid + "'&psdid='" + psdid + "'");

it could have been done as:

C#

string[] args = e.CommandArgument.ToString().Split(new char[] { ',' });
Server.Transfer("product_title.aspx?pgid='" + args[0] + "' & pcid='" + args[1] + "'&psdid='" + args[2] + "'");