/// <summary> /// 得到一个对象实体 /// </summary> public TFXK.Model.Message GetModel(int id) { //该表无主键信息,请自定义主键/条件字段 StringBuilder strSql = new StringBuilder(); strSql.Append("select id,userId,title,name,email,telephone,createTime,description,reply,state,parentId from tb_Message "); strSql.Append(" where id=@id "); OleDbParameter[] parameters = { new OleDbParameter("@id", OleDbType.Integer, 4) }; parameters[0].Value = id; TFXK.Model.Message model = new TFXK.Model.Message(); DataSet ds = DbHelperOleDb.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["id"].ToString() != "") { model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString()); } if (ds.Tables[0].Rows[0]["userId"].ToString() != "") { model.userId = int.Parse(ds.Tables[0].Rows[0]["userId"].ToString()); } model.title = ds.Tables[0].Rows[0]["title"].ToString(); model.name = ds.Tables[0].Rows[0]["name"].ToString(); model.email = ds.Tables[0].Rows[0]["email"].ToString(); model.telephone = ds.Tables[0].Rows[0]["telephone"].ToString(); model.createTime = ds.Tables[0].Rows[0]["createTime"].ToString(); model.description = ds.Tables[0].Rows[0]["description"].ToString(); model.reply = ds.Tables[0].Rows[0]["reply"].ToString(); model.state = ds.Tables[0].Rows[0]["state"].ToString(); if (ds.Tables[0].Rows[0]["parentId"].ToString() != "") { model.parentId = int.Parse(ds.Tables[0].Rows[0]["parentId"].ToString()); } return(model); } else { return(null); } }
/// <summary> /// 更新一条数据 /// </summary> public void Update(TFXK.Model.Message model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update tb_Message set "); strSql.Append("userId=@userId,"); strSql.Append("title=@title,"); strSql.Append("name=@name,"); strSql.Append("email=@email,"); strSql.Append("telephone=@telephone,"); strSql.Append("createTime=@createTime,"); strSql.Append("description=@description,"); strSql.Append("reply=@reply,"); strSql.Append("state=@state,"); strSql.Append("parentId=@parentId"); strSql.Append(" where id=@id"); OleDbParameter[] parameters = { new OleDbParameter("@userId", OleDbType.Integer, 4), new OleDbParameter("@title", OleDbType.VarChar, 100), new OleDbParameter("@name", OleDbType.VarChar, 50), new OleDbParameter("@email", OleDbType.VarChar, 50), new OleDbParameter("@telephone", OleDbType.VarChar, 50), new OleDbParameter("@createTime", OleDbType.VarChar, 19), new OleDbParameter("@description", OleDbType.VarChar, 0), new OleDbParameter("@reply", OleDbType.VarChar, 0), new OleDbParameter("@state", OleDbType.VarChar, 10), new OleDbParameter("@parentId", OleDbType.Integer, 4), new OleDbParameter("@id", OleDbType.Integer, 4) }; parameters[0].Value = model.userId; parameters[1].Value = model.title; parameters[2].Value = model.name; parameters[3].Value = model.email; parameters[4].Value = model.telephone; parameters[5].Value = model.createTime; parameters[6].Value = model.description; parameters[7].Value = model.reply; parameters[8].Value = model.state; parameters[9].Value = model.parentId; parameters[10].Value = model.id; DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(TFXK.Model.Message model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into tb_Message("); strSql.Append("userId,title,name,email,telephone,createTime,description,reply,state,parentId)"); strSql.Append(" values ("); strSql.Append("@userId,@title,@name,@email,@telephone,@createTime,@description,@reply,@state,@parentId)"); OleDbParameter[] parameters = { new OleDbParameter("@userId", OleDbType.Integer, 4), new OleDbParameter("@title", OleDbType.VarChar, 100), new OleDbParameter("@name", OleDbType.VarChar, 50), new OleDbParameter("@email", OleDbType.VarChar, 50), new OleDbParameter("@telephone", OleDbType.VarChar, 50), new OleDbParameter("@createTime", OleDbType.VarChar, 19), new OleDbParameter("@description", OleDbType.VarChar, 0), new OleDbParameter("@reply", OleDbType.VarChar, 0), new OleDbParameter("@state", OleDbType.VarChar, 10), new OleDbParameter("@parentId", OleDbType.Integer, 4) }; parameters[0].Value = model.userId; parameters[1].Value = model.title; parameters[2].Value = model.name; parameters[3].Value = model.email; parameters[4].Value = model.telephone; parameters[5].Value = model.createTime; parameters[6].Value = model.description; parameters[7].Value = model.reply; parameters[8].Value = model.state; parameters[9].Value = model.parentId; object obj = DbHelperOleDb.GetScalar(strSql.ToString(), parameters); if (obj == null) { return(1); } else { return(Convert.ToInt32(obj)); } }