private void ShowInfo(int areaid) { myhouse.BLL.AreaService bll = new myhouse.BLL.AreaService(); myhouse.Model.Area model = bll.GetModel(areaid); this.lblareaid.Text = model.areaid.ToString(); this.txtareaname.Text = model.areaname; }
public void btnSave_Click(object sender, EventArgs e) { string strErr = ""; if (this.txtareaname.Text.Trim().Length == 0) { strErr += "areaname不能为空!\\n"; } if (strErr != "") { MessageBox.Show(this, strErr); return; } int areaid = int.Parse(this.lblareaid.Text); string areaname = this.txtareaname.Text; myhouse.Model.Area model = new myhouse.Model.Area(); model.areaid = areaid; model.areaname = areaname; myhouse.BLL.AreaService bll = new myhouse.BLL.AreaService(); bll.Update(model); Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功!", "list.aspx"); }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(myhouse.Model.Area model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update t_area set "); strSql.Append("areaname=@areaname"); strSql.Append(" where areaid=@areaid"); SqlParameter[] parameters = { new SqlParameter("@areaname", SqlDbType.Char, 20), new SqlParameter("@areaid", SqlDbType.Int, 4) }; parameters[0].Value = model.areaname; parameters[1].Value = model.areaid; 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(myhouse.Model.Area model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into t_area("); strSql.Append("areaname)"); strSql.Append(" values ("); strSql.Append("@areaname)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@areaname", SqlDbType.Char, 20) }; parameters[0].Value = model.areaname; 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 myhouse.Model.Area DataRowToModel(DataRow row) { myhouse.Model.Area model = new myhouse.Model.Area(); if (row != null) { if (row["areaid"] != null && row["areaid"].ToString() != "") { model.areaid = int.Parse(row["areaid"].ToString()); } if (row["areaname"] != null) { model.areaname = row["areaname"].ToString(); } } return(model); }
protected void btnSave_Click(object sender, EventArgs e) { string strErr = ""; if (this.txtareaname.Text.Trim().Length == 0) { strErr += "areaname不能为空!\\n"; } if (strErr != "") { MessageBox.Show(this, strErr); return; } string areaname = this.txtareaname.Text; myhouse.Model.Area model = new myhouse.Model.Area(); model.areaname = areaname; myhouse.BLL.AreaService bll = new myhouse.BLL.AreaService(); bll.Add(model); Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功!", "add.aspx"); }
/// <summary> /// 得到一个对象实体 /// </summary> public myhouse.Model.Area GetModel(int areaid) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 areaid,areaname from t_area "); strSql.Append(" where areaid=@areaid"); SqlParameter[] parameters = { new SqlParameter("@areaid", SqlDbType.Int, 4) }; parameters[0].Value = areaid; myhouse.Model.Area model = new myhouse.Model.Area(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }