简单快速开发C\S架构程序用最简单的不分层最快的效率达到功能要求的例子程序FrmCommentEdit 编辑评论的功能实现...

  1  // --------------------------------------------------------------------
  2  //  All Rights Reserved , Copyright (C) 2012 , Hairihan TECH, Ltd. 
  3  // --------------------------------------------------------------------
  4 
  5  using System;
  6  using System.Data;
  7  using System.Windows.Forms;
  8 
  9  namespace DotNet.WinForm
 10 {
 11      using DotNet.Business;
 12      using DotNet.Utilities;
 13 
 14      ///   <summary>
 15       ///  FrmCommentEdit.cs
 16       ///  修改评论
 17       ///     
 18       ///  修改记录
 19       ///  
 20       ///      2012.08.26 版本：1.0 JiRiGaLa  修改功能页面编写。
 21       ///         
 22       ///  版本：1.0
 23       ///
 24       ///   <author>
 25       ///          <name> JiRiGaLa </name>
 26       ///          <date> 2012.08.26 </date>
 27       ///   </author>  
 28       ///   </summary>
 29       public  partial  class FrmCommentEdit : BaseForm
 30     {
 31          public FrmCommentEdit()
 32         {
 33             InitializeComponent();
 34         }
 35 
 36          public FrmCommentEdit( string id)
 37             :  this()
 38         {
 39              this.EntityId = id;
 40         }
 41 
 42          #region public override void ShowEntity() 显示内容
 43          ///   <summary>
 44           ///  显示内容
 45           ///   </summary>
 46           public  override  void ShowEntity()
 47         {
 48              //  获取数据
 49              SQLBuilder sqlBuilder =  new SQLBuilder( this.UserCenterDbHelper);
 50             sqlBuilder.BeginSelect(BaseCommentEntity.TableName);
 51             sqlBuilder.SetWhere(BaseCommentEntity.FieldId,  this.EntityId);
 52             DataTable dtComment = sqlBuilder.EndSelect();
 53              //  显示信息
 54              BaseCommentEntity commentEntity =  new BaseCommentEntity(dtComment);
 55              this.txtComment.Text = commentEntity.Contents;
 56              this.chkWorked.Checked = commentEntity.Worked ==  1;
 57              this.txtCreateBy.Text = commentEntity.CreateBy;
 58              if (commentEntity.CreateOn.HasValue)
 59             {
 60                  this.txtCreateOn.Text = ((DateTime)commentEntity.CreateOn).ToString(BaseSystemInfo.DateTimeFormat);
 61             }
 62              if (! string.IsNullOrEmpty(commentEntity.ModifiedBy))
 63             {
 64                  this.txtModifiedBy.Text = commentEntity.ModifiedBy;
 65                  if (commentEntity.ModifiedOn.HasValue)
 66                 {
 67                      this.txtModifiedOn.Text = ((DateTime)commentEntity.ModifiedOn).ToString(BaseSystemInfo.DateTimeFormat);
 68                 }
 69             }
 70         }
 71          #endregion
 72 
 73          #region public override void FormOnLoad() 加载窗体
 74          ///   <summary>
 75           ///  加载窗体
 76           ///   </summary>
 77           public  override  void FormOnLoad()
 78         {
 79              //  显示实体
 80               this.ShowEntity();
 81         }
 82          #endregion
 83 
 84          #region public override bool SaveEntity() 保存
 85          ///   <summary>
 86           ///  保存
 87           ///   </summary>
 88           ///   <returns> 保存成功 </returns>
 89           public  override  bool SaveEntity()
 90         {
 91              bool returnValue =  false;
 92             SQLBuilder sqlBuilder =  new SQLBuilder( this.UserCenterDbHelper);
 93             sqlBuilder.BeginUpdate(BaseCommentEntity.TableName);
 94             sqlBuilder.SetValue(BaseCommentEntity.FieldContents,  this.txtComment.Text);
 95             sqlBuilder.SetValue(BaseCommentEntity.FieldWorked,  this.chkWorked.Checked ?  1 :  0);
 96             sqlBuilder.SetValue(BaseCommentEntity.FieldModifiedUserId,  this.UserInfo.Id);
 97             sqlBuilder.SetValue(BaseCommentEntity.FieldModifiedBy,  this.UserInfo.RealName);
 98             sqlBuilder.SetDBNow(BaseCommentEntity.FieldModifiedOn);
 99             sqlBuilder.SetWhere(BaseCommentEntity.FieldId,  this.EntityId);
100             returnValue = sqlBuilder.EndUpdate() >  0;
101              return returnValue;
102         }
103          #endregion
104 
105          #region public override bool CheckInput() 检查输入的有效性
106          ///   <summary>
107           ///  检查输入的有效性
108           ///   </summary>
109           ///   <returns> 有效 </returns>
110           public  override  bool CheckInput()
111         {
112              bool returnValue =  true;
113              this.txtComment.Text =  this.txtComment.Text.TrimEnd();
114              if ( string.IsNullOrEmpty( this.txtComment.Text))
115             {
116                 MessageBox.Show(AppMessage.Format(AppMessage.MSG0007, AppMessage.MSG9984), AppMessage.MSG0000, MessageBoxButtons.OK, MessageBoxIcon.Information);
117                  this.txtComment.Focus();
118                  return  false;
119             }
120              return returnValue;
121         }
122          #endregion
123 
124          #region private void ClearForm()
125          ///   <summary>
126           ///  清除窗体
127           ///   </summary>
128           private  void ClearForm()
129         {
130              this.txtComment.Text =  string.Empty;
131              this.txtComment.Focus();
132         }
133          #endregion
134 
135          #region private void AddComment(bool close)
136          ///   <summary>
137           ///  保存评论
138           ///   </summary>
139           ///   <param name="close"> 关闭窗体 </param>
140           private  void AddComment( bool close)
141         {
142              //  检查输入的有效性
143               if ( this.CheckInput())
144             {
145                  //  设置鼠标繁忙状态，并保留原先的状态
146                  Cursor holdCursor =  this.Cursor;
147                  this.Cursor = Cursors.WaitCursor;
148                  try
149                 {
150                      if ( this.SaveEntity())
151                     {
152                          //  数据发生了变化
153                           this.Changed =  true;
154                          if (close)
155                         {
156                              this.DialogResult = DialogResult.OK;
157                              //  关闭窗口
158                               this.Close();
159                         }
160                          else
161                         {
162                              this.ClearForm();
163                         }
164                     }
165                 }
166                  catch (Exception ex)
167                 {
168                      this.ProcessException(ex);
169                 }
170                  finally
171                 {
172                      //  设置鼠标默认状态，原来的光标状态
173                       this.Cursor = holdCursor;
174                 }
175             }
176         }
177          #endregion
178 
179          private  void btnSave_Click( object sender, EventArgs e)
180         {
181              this.AddComment( true);
182         }
183     }
184 }