editzd.cs

机械制造业信息管理系统(含源码) 是为一个粮仪厂开发的

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

using System.Data;
using System.Data.OleDb;

namespace Eboer.MIS.MF.WinForm
{
	/// <summary>
	/// EditZD 的摘要说明。
	/// </summary>
	public class EditZD : System.Windows.Forms.Form
	{
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.GroupBox groupBox2;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.ListView listView;
		private System.Windows.Forms.DataGrid dataGrid;

		private System.Windows.Forms.DataGrid _dataGrid;

		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		/// <summary>
		/// 数据项是否变动
		/// </summary>
		private bool change = false;

		/// <summary>
		/// 当前选中的类目名称
		/// </summary>
		private string currSign = "";

		private DataSet _ds = null;

		public EditZD()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			this._dataGrid = this.dataGrid;

			this.LoadDC();
			this.LoadGardCol();
			
			Public.SizeColumnsToContent(this.dataGrid,-1,this._ds.Tables[0],null);

			DataGridTextBoxColumn dgtb = (DataGridTextBoxColumn)this.dataGrid.TableStyles[0].GridColumnStyles[0];
			dgtb.Width = 80;

			dgtb = (DataGridTextBoxColumn)this.dataGrid.TableStyles[0].GridColumnStyles[1];
			dgtb.Width = 100;

			dgtb = (DataGridTextBoxColumn)this.dataGrid.TableStyles[0].GridColumnStyles[2];
			dgtb.Width = 120;

			this.button1.Enabled = false;
			this.button2.Enabled = false;

		}

		private void LoadDC(){
			try{
				string sql = "select * from DictionaryClass order by autoID desc";
				OleDbDataAdapter ad = new OleDbDataAdapter(sql,Public.conn);
				DataSet ds          = new DataSet();
				ad.Fill(ds,"list");

				if(ds != null && ds.Tables[0] != null){
					for(int i=0;i<ds.Tables[0].Rows.Count;i++){
						DataRow row = ds.Tables[0].Rows[i];
						ListViewItem lvi = new ListViewItem(new string[]{row["dcName"].ToString() + "（"+ row["dcSign"].ToString() +"）"});
						this.listView.Items.Add(lvi);
					}
				}

			}catch(Exception ex){
				MessageBox.Show(ex.Message.ToString());
				return;
			}
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(EditZD));
			this.listView = new System.Windows.Forms.ListView();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			this.dataGrid = new System.Windows.Forms.DataGrid();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.groupBox1.SuspendLayout();
			this.groupBox2.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid)).BeginInit();
			this.SuspendLayout();
			// 
			// listView
			// 
			this.listView.Location = new System.Drawing.Point(8, 16);
			this.listView.MultiSelect = false;
			this.listView.Name = "listView";
			this.listView.Size = new System.Drawing.Size(296, 432);
			this.listView.TabIndex = 0;
			this.listView.View = System.Windows.Forms.View.List;
			this.listView.SelectedIndexChanged += new System.EventHandler(this.listView_SelectedIndexChanged);
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.listView);
			this.groupBox1.Location = new System.Drawing.Point(8, 8);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(312, 456);
			this.groupBox1.TabIndex = 1;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "字典类型";
			// 
			// groupBox2
			// 
			this.groupBox2.Controls.Add(this.dataGrid);
			this.groupBox2.Location = new System.Drawing.Point(328, 8);
			this.groupBox2.Name = "groupBox2";
			this.groupBox2.Size = new System.Drawing.Size(416, 400);
			this.groupBox2.TabIndex = 2;
			this.groupBox2.TabStop = false;
			this.groupBox2.Text = "条目列表";
			// 
			// dataGrid
			// 
			this.dataGrid.CaptionVisible = false;
			this.dataGrid.DataMember = "";
			this.dataGrid.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid.Location = new System.Drawing.Point(8, 16);
			this.dataGrid.Name = "dataGrid";
			this.dataGrid.ParentRowsVisible = false;
			this.dataGrid.Size = new System.Drawing.Size(400, 376);
			this.dataGrid.TabIndex = 0;
			this.dataGrid.KeyDown += new System.Windows.Forms.KeyEventHandler(this.dataGrid_KeyDown);
			this.dataGrid.CurrentCellChanged += new System.EventHandler(this.dataGrid_CurrentCellChanged);
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(608, 416);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(72, 23);
			this.button1.TabIndex = 3;
			this.button1.Text = "保存变动";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(680, 416);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(64, 23);
			this.button2.TabIndex = 4;
			this.button2.Text = "取 消";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// EditZD
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(760, 469);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.groupBox2);
			this.Controls.Add(this.groupBox1);
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.MaximizeBox = false;
			this.MinimizeBox = false;
			this.Name = "EditZD";
			this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Hide;
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "设置字典";
			this.groupBox1.ResumeLayout(false);
			this.groupBox2.ResumeLayout(false);
			((System.ComponentModel.ISupportInitialize)(this.dataGrid)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 返回初始状态
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void button2_Click(object sender, System.EventArgs e) {
			this.LoadItem(this.currSign);
		}

		/// <summary>
		/// 保存变动
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void button1_Click(object sender, System.EventArgs e) {
			if(this.currSign != ""){
				this.SaveItem(this.currSign);
				this.button1.Enabled = false;
				this.button2.Enabled = false;
			}
		}

		/// <summary>
		/// 点中相应条目
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void listView_SelectedIndexChanged(object sender, System.EventArgs e) {

			//先检查是否有数据变动
			if(this.button1.Enabled && MessageBox.Show("数据有变动，是否保存？","是否保存？",MessageBoxButtons.OKCancel,MessageBoxIcon.Question) == DialogResult.OK){
				this.button1_Click(sender,e);
			}

			if(this.listView.Items.Count > 0 && this.listView.SelectedItems.Count > 0){
				string val    = this.listView.SelectedItems[0].SubItems[0].Text;
				int    endC   = val.LastIndexOf("）",2);
				string sig    = val.Substring(endC + 1,val.Length - 1);
				this.currSign = sig;
				this.LoadItem(sig);

				this.button1.Enabled = false;
				this.button2.Enabled = false;
			}
		}

		/// <summary>
		/// 载入数据
		/// </summary>
		private void LoadItem(string dcSign){
			try{

				this.dataGrid = this._dataGrid;

				string sql = "select diSign as 编号,diName as 值,content as 备注 from DictionaryItem where dcSign = '"+ dcSign +"'";
				OleDbDataAdapter ad = new OleDbDataAdapter(sql,Public.conn);
				DataSet ds          = new DataSet();
				ad.Fill(ds,"list");

				this.dataGrid.SetDataBinding(ds.Tables[0],"");

			}catch(Exception ex){
				MessageBox.Show(ex.Message.ToString());
				return;
			}
		}

		/// <summary>
		/// 载入条目空表
		/// </summary>
		private void LoadGardCol(){
			try{
				string sql = "select diSign as 编号,diName as 值,content as 备注 from DictionaryItem where autoID = 0";
				OleDbDataAdapter ad = new OleDbDataAdapter(sql,Public.conn);
				this._ds = new DataSet();
				ad.Fill(_ds,"list");

				this.dataGrid.SetDataBinding(_ds.Tables[0],"");

			}catch(Exception ex){
				MessageBox.Show(ex.Message.ToString());
				return;
			}
		}

		/// <summary>
		/// 在网格区按下某键，说明有数据变动，此时需要保存
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void dataGrid_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) {
			this.change = true;
		}

		/// <summary>
		/// 删除指定dcSign的全部项
		/// </summary>
		/// <param name="dcSign"></param>
		private void DeleteAllItem(string dcSign){
			try{
				string sql = "delete from DictionaryItem where dcSign='"+ dcSign +"'";
				Public.conn.Open();
				OleDbCommand cmd = new OleDbCommand(sql,Public.conn);
				cmd.ExecuteNonQuery();
				Public.conn.Close();
			}catch(Exception ex){
				MessageBox.Show(ex.Message.ToString());
				return;
			}
		}

		/// <summary>
		/// 保存更新后的所有项
		/// 先将数据库中当前条件下的全部删除
		/// </summary>
		/// <param name="dcSign"></param>
		private void SaveItem(string dcSign){
			try{
				DataTable table = (DataTable)this.dataGrid.DataSource;
				if(table != null){
					this.DeleteAllItem(dcSign);
					for(int i=0;i<table.Rows.Count;i++){
						DataRow row      = table.Rows[i];
						string sql       = "insert into DictionaryItem (dcSign,diName,diSign,content,adder,addDate) values ('"+ dcSign +"','"+ row["值"].ToString() +"','"+ row["编号"].ToString() +"','"+ row["备注"].ToString() +"','"+ Public.userID +"','"+ DateTime.Now.ToString() +"')";
						Public.conn.Open();
						OleDbCommand cmd = new OleDbCommand(sql,Public.conn);
						cmd.ExecuteNonQuery();
						Public.conn.Close();
					}
				}
			}catch(Exception ex){
				MessageBox.Show(ex.Message.ToString());
				return;
			}
		}

		/// <summary>
		/// 说明有变动
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void dataGrid_CurrentCellChanged(object sender, System.EventArgs e) {
			this.change = true;
			this.button1.Enabled = true;
			this.button2.Enabled = true;
		}
	}
}