Fill: SelectCommand.Connection property has not been initial

Question

public DataSet IU_Testimonials(int id,string Table,string AName,string Designation,string Description,string Images)

{

SqlConnection con = new SqlConnection();

DataSet ds = new DataSet();

try

{

LocalConnection_class(con);

SqlCommand scmd = new SqlCommand("IU_Testimonials", con);

scmd.CommandType = CommandType.StoredProcedure;

scmd.Parameters.Add("@Id", SqlDbType.Int).Value = id;

scmd.Parameters.Add("@TableName", SqlDbType.NVarChar, 1000).Value = Table;

scmd.Parameters.Add("@AuthorName", SqlDbType.NVarChar, 100).Value = AName;

scmd.Parameters.Add("@Designation", SqlDbType.NVarChar, 100).Value = Designation;

scmd.Parameters.Add("@Description", SqlDbType.NVarChar, 1000).Value = Description;

scmd.Parameters.Add("@Images", SqlDbType.NVarChar, 500).Value = Images;

SqlDataAdapter da = new SqlDataAdapter(cmd);

da.Fill(ds);

return ds;

}

catch

{

return ds;

}

}

while Running about Code i got an error(Fill: SelectCommand.Connection property has not been initial)

Am Using SP For Inserting Records