;  this.m_cmdAuthorsUpdate.CommandText = @"UPDATE authors SET au_id = @au_id, au_lname = @au_lname, au_fname = @au_fname, phone = @phone, address = @address, city = @city, state = @state, zip = @zip, contract = @contract WHERE (au_id = @Original_au_id) AND (address = @Original_address OR @Original_address1 IS NULL AND address IS NULL) AND (au_fname = @Original_au_fname) AND (au_lname = @Original_au_lname) AND (city = @Original_city OR @Original_city1 IS NULL AND city IS NULL) AND (contract = @Original_contract) AND (phone = @Original_phone) AND (state = @Original_state OR @Original_state1 IS NULL AND state IS NULL) AND (zip = @Original_zip OR @Original_zip1 IS NULL AND zip IS NULL); SELECT au_id, au_lname, au_fname, phone, address, city, state, zip, contract FROM authors WHERE (au_id = @Select_au_id)";
            this.m_cmdAuthorsUpdate.Connection = this.m_con;
            this.m_cmdAuthorsUpdate.Parameters.Add(new System.Data.SqlClient.SqlParameter("@au_id", System.Data.SqlDbType.Char, 11, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "au_id", System.Data.DataRowVersion.Current, null));
            this.m_cmdAuthorsUpdate.Parameters.Add(new System.Data.SqlClient.SqlParameter("@au_lname", System.Data.SqlDbType.VarChar, 40, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "au_lname", System.Data.DataRowVersion.Current, null));
            this.m_cmdAuthorsUpdate.Parameters.Add(new System.Data.SqlClient.SqlParameter("@au_fname", System.Data.SqlDbType.VarChar, 20, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "au_fname", System.Data.DataRowVersion.Current, null));
            this.m_cmdAuthorsUpdate.Parameters.Add(new System.Data.SqlClient.SqlParameter("@phone", System.Data.SqlDbType.Char, 12, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "phone", System.Data.DataRowVersion.Current, null));
            this.m_cmdAuthorsUpdate.Parameters.Add(new System.Data.SqlClient.SqlParameter("@address", System.Data.SqlDbType.VarChar, 40, System.Data.ParameterDirection.Input, true, ((System.Byte)(0)), ((System.Byte)(0)), "address", System.Data.DataRowVersion.Current, null));
            this.m_cmdAuthorsUpdate.Parameters.Add(new System.Data.SqlClient.SqlParameter("@city", System.Data.SqlDbType.VarChar, 20, System.Data.ParameterDirection.Input, true, ((

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