I got this error how to resolve it

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C#

protected void Page_Load(object sender, EventArgs e)
    {
        string connection = System.Configuration.ConfigurationManager.ConnectionStrings["itax1"].ConnectionString;
        SqlConnection con = new SqlConnection(connection);       
        con.Open();
        SqlDataAdapter da;
        da = new SqlDataAdapter("Select * from pa_salary_master", con);
        da = new SqlDataAdapter();
        DataSet ds = new DataSet();
        da.Fill(ds);
        GridView1.DataSource = ds;
        GridView1.DataBind();
        }

i got this error
The SelectCommand property has not been initialized before calling 'Fill'.

here data is align horigentally but i nedd vortically. how to align vartically.

Posted 23-May-12 23:42pm

2011999

Updated 24-May-12 0:15am

v4

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uspatel 24-May-12 5:47am

pre tag added

3 solutions

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sunandandutt · Answer 1 · 2012-05-23T23:45:00

Solution 1

C#

SqlDataAdapter da;
da = new SqlDataAdapter("Select * from pa_salary_master", con);
da = new SqlDataAdapter();

use only singe adapter.

C#

ie. da = new SqlDataAdapter("Select * from pa_salary_master", con);

Remove da = new SqlDataAdapter();
&
Remove con.Open();

Posted 23-May-12 23:45pm

sunandandutt

Updated 24-May-12 0:01am

v5

Comments

Nilesh Patil Kolhapur 24-May-12 5:55am

nice

sharmarun 29-May-12 6:22am

my 5!

hitech_s · Answer 2 · 2012-05-23T23:56:00

Replace your code with this

protected void Page_Load(object sender, EventArgs e)
{
        string connection = System.Configuration.ConfigurationManager.ConnectionStrings["itax1"].ConnectionString;
        SqlConnection con = new SqlConnection(connection);     
        SqlDataAdapter da;  
        DataSet ds = new DataSet();
        using(da = new SqlDataAdapter("Select * from pa_salary_master", con))
        {
         da.Fill(ds);
        }
        GridView1.DataSource = ds;
        GridView1.DataBind();
}

mr.priyank · Answer 3 · 2012-05-23T23:50:00

Solution 2

You have reinitialized da. and the new da dont have select command text initialized
just remove the line

C#

da = new SqlDataAdapter();

also you dont need to open the connection here
adapter will manage it.
so also remove

C#

con.Open();

Posted 23-May-12 23:50pm

mr.priyank

Updated 23-May-12 23:53pm

v2

Comments

Killzone DeathMan 24-May-12 6:26am

It´s better open() the connection and in the end close() it!

I got this error how to resolve it

3 solutions

Solution 1

Solution 3

Solution 2

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