database navigation problem in c#

I have a problem regarding navigation through database in desktop application , what I want to do is to bind data from database to textboxes well I have doen that navigation through DataSet but the problem is I want to acheieve the task via DataTable anyone can help in this regard i need this to be sorted out urgently .

public DataSet GetCustomizedDataSet(string query)
{
cmd.CommandText = query.Trim();
cmd.CommandType = CommandType.Text;
// cmd.Parameters.Clear();
da = new SqlDataAdapter(cmd);


DataSet dataset = new DataSet();
try
{
cn.Open();
da.Fill(dataset);

}
catch (Exception e) { throw new Exception(e.Message); }
finally
{
cn.Close();
}
return dataset;
}


Just tell me how can I do that or if anyone could tell me what is wrong with this method actually method is working fine but not returning anything I have tried debugging but just don';t know hwy it is not returning cze when I try to show data through this mehtod in gridview the grid shows up empty whats folks temme .

 

I have resolved the problem mod please close the thread.