how to navigate through textboxes

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hi all
i am trying to navigate to the next record using textbox but could not figure out that how can i store row index some where in form
any help will be deeply appreciated
here is what i am trying

C#

protected void btn_next_Click(object sender, EventArgs e)
   {
       string strcon = ConfigurationManager.ConnectionStrings["gallup"].ConnectionString;
       string next = "SELECT * from city_breakup";
       SqlDataAdapter dauniq = new SqlDataAdapter(next, strcon);
       DataTable tableuniq = new DataTable();
       dauniq.Fill(tableuniq);
       int i=0;
       if(i<tableuniq.Rows.Count-1){
           txtlcity.Text=tableuniq.Rows[i]["city"].ToString();
           txtsample.Text = tableuniq.Rows[i]["sample"].ToString();
       }
   }

Posted 18-Jul-12 19:10pm

mehdilahori

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Syedur Rahaman · Answer 1 · 2012-07-18T19:26:00

Solution 2

You should not get the data on this click event. You may do it in form load event. Declare the index variable (in your code its "i"), SqlDataAdapter, DataTable at module level and increase it with every click of "Next" button.

Posted 18-Jul-12 19:26pm

Syedur Rahaman

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mehdilahori 19-Jul-12 1:38am

can u come up with an example

Prosan · Answer 2 · 2012-07-18T19:22:00

you can use session for this purpose

C#

if(i<tableuniq.Rows.Count-1){
            if (session["Rowindex"]==null) session["Rowindex"]=i;
            txtlcity.Text=tableuniq.Rows[session["Rowindex"]]["city"].ToString();
            txtsample.Text = tableuniq.Rows[session["Rowindex"]]["sample"].ToString();
session["Rowindex"]=i+1;
        }