winpublic.cs

利用AJAX实现目录树

			{
				System.Windows.Forms.Control obj1=new System.Windows.Forms.Control ();
				foreach(System.Windows.Forms.Control obj in ParentObj.Controls)
				{
					if(obj.TabIndex ==TabIndex)
					{
						obj1=obj;
						return obj1;
					}
				}
				return null;
			}
			catch(Exception ex)
			{
				MessageBox.Show (ex.ToString ());
				return null;
			}
		}

		//设置控件的傎,完成格式转换
		public bool IsValidInput(System.Windows.Forms.Control ParentObj,string HeaderTexts)
		{
			try
			{
				string[] Texts=HeaderTexts.Split('|'); 
				//string ErroyInfo="";
				System.Windows.Forms.Control CurrObj=new System.Windows.Forms.Control ();
				for(int i=0;i<Texts.Length ;i++)
					//需要检证的列
					if (Texts[i].Trim().Length!=Texts[i].Length)
					{
						CurrObj=GetTabIndexControl(ParentObj,i);
						if (CurrObj.Text==string.Empty || CurrObj.Text==null)
						{
							string ErroyInfo="【"+Texts[i].Trim()+"】不能为空，请重新输入"+Texts[i].Trim()+"!";
							MessageBox.Show(ErroyInfo); 
							CurrObj.Focus();
							return  false;
						}
						//break;
					}
				return true;	
			}
			catch(Exception ex)
			{
				MessageBox.Show (ex.ToString ());
				return false;
			}	
		}

	
		//取控件的值
		private object GetControlValue(System.Windows.Forms.Control obj)
		{
			try
			{
				string objName=obj.GetType().Name;
				switch(objName)
				{
					case "ComboBox":
						ComboBox ComboBox1=obj as ComboBox;
						return ComboBox1.Text;
					case "CheckBox":
						CheckBox CheckBox1=(CheckBox)obj;
						return CheckBox1.Checked ;
					case "RadioButton":
						RadioButton RadioButton1=obj as RadioButton;
						return RadioButton1.Checked;
					case "TextBox":
						return obj.Text;
					case "UpDownButtons":
						return obj.Text;
					case "NumericUpDown":
						NumericUpDown NumericUpDown1=(NumericUpDown)obj;
						return NumericUpDown1.Value;
					case "DateTimePicker":
						//varValue = Format(obj.value, "short Date");
						return System.Convert.ToDateTime(obj.Text).ToShortDateString();
					case "DTPicker":
						//varValue = Format(obj.value, "short Date");
						return obj.Text; 
					case "TDBNumber":
						return obj.Text; 
				
					case "TDBDate":
						return obj.Text; 
						//varValue = obj.value;
					case "ListBox":
						return obj.Text; 
					default:
						return obj.Text; 
				}
			}
			catch(Exception ex)
			{
				MessageBox.Show (ex.ToString ());
				return false;
			}
		}

		//取控件的值
		public object GetPrimaryKeyValue(System.Windows.Forms.Control obj)
		{ 
			try
			{
				System.Windows.Forms.Control obj1=GetTabIndexControl(obj,0);
				return GetControlValue(obj1);	
			}
			catch(Exception ex)
			{
				MessageBox.Show (ex.ToString ());
				return null;
			}	   
		}

		//		'检查控件数据是否有效,没错则返回true.
		public bool IsVaildControlData(System.Windows.Forms.Control obj,string FieldText,string checkValue)
		{
			try
			{
				object varValue=GetControlValue(obj);

				string ErroyInfo="【"+FieldText+"】不能为空，请重新输入"+FieldText+"!";
				if( checkValue ==string.Empty )
				{
					if ((string)varValue=="")
					{
						MessageBox.Show(ErroyInfo); 
						if(obj.Enabled == true) 
							obj.Focus();
						return false;
					}
				}
				else
				{
					if( (string)varValue != checkValue)
					{
						ErroyInfo="【"+FieldText+"】的值不能为【" + checkValue + " 】！请重新设置它的值!";
						MessageBox.Show(ErroyInfo); 
						if(obj.Enabled == true) 
							obj.Focus();
						return true;
					}
				}
				return true;
			}
			catch(Exception ex)
			{
				MessageBox.Show (ex.ToString ());
				return false;
			}
		}



		//把网络计算机的IP地址填入ComboBox
		public void FillIPAddress (System.Windows.Forms.ComboBox ComboBox1)
		{
			try
			{
				string  HostName=GetHostName();
				IPAddress[] IPs=GetHostAddress(HostName);
				for (int i=0;i<IPs.Length;i++)
					ComboBox1.Items.Add(IPs[i].ToString());
			}
			catch(Exception ex)
			{
				MessageBox.Show (ex.ToString ());
				return ;
			}
		}

		//设置DataGrid的各列标题
		public static DataGridTableStyle SetDataGridHeaderText(DataGrid DataGrid1,string HeaderText)
		{
			try
			{
				DataTable dt=DataGrid1.DataSource as DataTable ;
				string[] HeaderTexts=HeaderText.Split('|'); 
				DataGridTableStyle myGridTableStyle1=new DataGridTableStyle();
				myGridTableStyle1.MappingName=dt.TableName;
				DataGrid1.TableStyles.Clear();
				DataGrid1.TableStyles.Add(myGridTableStyle1);
				myGridTableStyle1.SelectionBackColor=System.Drawing.Color .Blue;
				//	DataGrid1.DataSource= dt;
				for(int i=0;i<HeaderTexts.Length ;i++)
				{
					if(i<myGridTableStyle1.GridColumnStyles.Count)
						myGridTableStyle1.GridColumnStyles[i].HeaderText=HeaderTexts[i].Trim();
					if(HeaderTexts[i].Trim()!="")
					{
						int len=HeaderTexts[i].Length;
						myGridTableStyle1.GridColumnStyles[i].Width=10*len+30;
						//					Graphics mGraphics=new Graphics ();
						//					myGridTableStyle1.GridColumnStyles[i].Width=cmGraphics.MeasureCharacterRanges(HeaderTexts[i]).Length+50;
					}
					else
						myGridTableStyle1.GridColumnStyles[i].Width=0;
				}
				//	HighLightCurrentRow( DataGrid1);
				if (DataGrid1.DataSource==null) return myGridTableStyle1;
				if (((DataTable)DataGrid1.DataSource).Rows.Count==0) return myGridTableStyle1;
				if (DataGrid1.CurrentRowIndex==-1) DataGrid1.CurrentRowIndex=0;
				//			if (DataGrid1.CurrentRowIndex!=-1)
				//			{
				//				//DataGrid1.Select(DataGrid1.CurrentRowIndex);
				//			}
				return myGridTableStyle1;
			}
			catch(Exception ex)
			{
				//FileTool.HandleErr( new PopedomException(MessageBox.Show (ex.ToString ()));
				System.Windows .Forms .MessageBox.Show (ex.ToString ());
				return null;
			}
		}
		public void HighLightCurrentRow( DataGrid dg)
		{
			try
			{
				if (dg.DataSource==null) return;
				if (((DataTable)dg.DataSource).Rows.Count==0) return;
				if (dg.CurrentRowIndex==-1) dg.CurrentRowIndex=0;
				if (dg.CurrentRowIndex!=-1)
				{
					dg.Select(dg.CurrentRowIndex);
				}
			}
			catch(Exception ex)
			{
				MessageBox.Show (ex.ToString ());
				return ;
			}
		}
		public static string txt;
		public void SetFormEnabled( System.Windows .Forms.Form frm,System.Windows.Forms.Control obj,bool IsEnabled)
		{
			try
			{
				
				if(!IsEnabled)
				{
					frm.Cursor =System.Windows .Forms.Cursors.WaitCursor;
					txt=obj.Text;
					obj.Text ="请稍候...";
					
				}
				else
				{
					frm.Cursor =System.Windows .Forms.Cursors.Default ;
					obj.Text =txt;
				}
				frm.Enabled =IsEnabled;
				//				foreach(System.Windows.Forms.Control obj in frm.Controls)
				//				{
				//				   obj.Enabled = IsEnabled;
				//				}
			}
			catch(Exception ex)
			{
				MessageBox.Show (ex.ToString ());
				return ;
			}
		}
		public void SetFormEnabled( System.Windows .Forms.Form frm,System.Windows.Forms.ToolBarButton obj,bool IsEnabled)
		{
			try
			{
				//string txt=obj.Text;
				if(!IsEnabled)
				{
					frm.Cursor =System.Windows .Forms.Cursors.WaitCursor;
					txt=obj.Text;
					//obj.Text ="请稍候...";
					
				}
				else
				{
					frm.Cursor =System.Windows .Forms.Cursors.Default ;
					//obj.Text =txt;
				}
				frm.Enabled =IsEnabled;
				//				foreach(System.Windows.Forms.Control obj in frm.Controls)
				//				{
				//				   obj.Enabled = IsEnabled;
				//				}
			}
			catch(Exception ex)
			{
				MessageBox.Show (ex.ToString ());
				return ;
			}
		}
	

		public DataSet ExceuteSQL(string SQL)
		{
	
			try
			{
				PersistenceManager pm=PersistenceManagerFactory.Instance().CreatePersistenceManager();
				//EntityData entity=EntityPrototypeManager.GetEmptyEntity(this.EntityTypeName,pp);
				//				Query q=pm.NewQuery(SQL);
				//				q.Open();
				DataAccess dao=pm.NewDataAccess();
				DataSet entity= dao.ExecuteDataset(SQL);

				//EntityData entity=q.QueryData();
				//EntityData entity=(EntityData)ds;
				//				q.Close();
				//				pm.Close();
				return entity;
			}
			catch(Exception ex)
			{
				FileTool.HandleErr( new PopedomException(ex,"执行查询语句错！"));
				return null;
			}
		}


		////把数据表的一列数据填充ComBox
		public void FillComboBoxByDataColumn(DataColumn Column1,ComboBox  ComBox1)
		{
			try
			{
				if(Column1==null) return;
				if(Column1.Table.Rows.Count <=0) return;
				if(ComBox1.Items.Count==0)ComBox1.Items.Add (Column1.Table.Rows[0][Column1.ColumnName]);
				for (int i=1;i<Column1.Table.Rows.Count;i++)
				{
					object obj=Column1;
				
					for (int j=0;j<ComBox1.Items.Count;j++)
						if (ComBox1.Items[j]==obj)
							goto aa;
					ComBox1.Items.Add (Column1.Table.Rows[i][Column1.ColumnName]);
				aa:;
				}
			}
			catch(Exception ex)
			{
				MessageBox.Show (ex.ToString ());
				return ;
			}
		}
	}
}