The SelectCommand property has not been initialized before calling 'Fill'

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C#

if (!IsPostBack)
        {
            BindData();
        }
.........
.........
void BindData()
    {
        SqlCommand cmd1 = new SqlCommand("select * from cntus",con);
        SqlDataAdapter da = new SqlDataAdapter();
        DataSet ds = new DataSet();
        da.Fill(ds, "cntus");   //cntus is my table name
        GridView1.DataSource = ds.Tables["cntus"];
        GridView1.DataBind();  //gridview1 is my gridview id
    }

this is my code,but in 4th line da.Fill(ds,"cntus") it gives an error that The SelectCommand property has not been initialized before calling 'Fill'

How can i rectify my problem? Any body please help me

Posted 11-Nov-14 21:46pm

Shivaram_i

Updated 11-Nov-14 21:54pm

Thanks7872

v2

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Karthik_Mahalingam · Accepted Answer · 2014-11-11T22:09:00

Solution 2

Add command object while initializing the SqlDataAdapter.

Try this

C#

SqlCommand cmd1 = new SqlCommand("select * from cntus", con);
            SqlDataAdapter da = new SqlDataAdapter(cmd1);
            DataSet ds = new DataSet();

Posted 11-Nov-14 22:09pm

Karthik_Mahalingam

Comments

Shivaram_i 12-Nov-14 5:50am

Thank you...I got it now...

Karthik_Mahalingam 12-Nov-14 6:22am

welcome :)

Mathew Soji · Accepted Answer · 2014-11-11T21:56:00

Solution 1

In the above code you have not specified the command object for the SqlDataAdapter .
Also make sure you assign a valid connection to the command object.

Sample below ;

da.SelectCommand=cmd1

Please refer below for details

http://msdn.microsoft.com/en-us/library/bh8kx08z%28v=vs.110%29.aspx[^]

Posted 11-Nov-14 21:56pm

Mathew Soji

Updated 11-Nov-14 22:03pm

v2