The IListSource does not contain any data sources.

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.NET

.NET4

May you help me, how can i clear this....

ERROR"The IListSource does not contain any data sources."

public void getdata()
{
connection();
query = "DMLgrid_SP";
SqlCommand com = new SqlCommand(query, con);
com.CommandType = CommandType.StoredProcedure;
com.Parameters.AddWithValue("@Action", HiddenField1.Value).ToString();
DataSet ds = new DataSet();
SqlDataAdapter da = new SqlDataAdapter(com);
da.Fill(ds);
GridView1.DataSource = ds;
GridView1.DataBind();
con.Close();

}


Error on "Line 44: GridView1.DataBind();"