/// <summary> /// 更新一条数据 /// </summary> public bool Update(Learning.Model.Role model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Role set "); strSql.Append("RoleName=@RoleName,"); strSql.Append("FatherId=@FatherId,"); strSql.Append("Comment=@Comment"); strSql.Append(" where RoleID=@RoleID"); SqlParameter[] parameters = { new SqlParameter("@RoleName", SqlDbType.VarChar, 20), new SqlParameter("@FatherId", SqlDbType.Int, 4), new SqlParameter("@Comment", SqlDbType.Text), new SqlParameter("@RoleID", SqlDbType.Int, 4) }; parameters[0].Value = model.RoleName; parameters[1].Value = model.FatherId; parameters[2].Value = model.Comment; parameters[3].Value = model.RoleID; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(Learning.Model.Role model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Role("); strSql.Append("RoleName,FatherId,Comment)"); strSql.Append(" values ("); strSql.Append("@RoleName,@FatherId,@Comment)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@RoleName", SqlDbType.VarChar, 20), new SqlParameter("@FatherId", SqlDbType.Int, 4), new SqlParameter("@Comment", SqlDbType.Text) }; parameters[0].Value = model.RoleName; parameters[1].Value = model.FatherId; parameters[2].Value = model.Comment; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 得到一个对象实体 /// </summary> public Learning.Model.Role DataRowToModel(DataRow row) { Learning.Model.Role model = new Learning.Model.Role(); if (row != null) { if (row["RoleID"] != null && row["RoleID"].ToString() != "") { model.RoleID = int.Parse(row["RoleID"].ToString()); } if (row["RoleName"] != null) { model.RoleName = row["RoleName"].ToString(); } if (row["FatherId"] != null && row["FatherId"].ToString() != "") { model.FatherId = int.Parse(row["FatherId"].ToString()); } if (row["Comment"] != null) { model.Comment = row["Comment"].ToString(); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public Learning.Model.Role GetModel(int RoleID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 RoleID,RoleName,FatherId,Comment from Role "); strSql.Append(" where RoleID=@RoleID"); SqlParameter[] parameters = { new SqlParameter("@RoleID", SqlDbType.Int, 4) }; parameters[0].Value = RoleID; Learning.Model.Role model = new Learning.Model.Role(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }