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

namespace 財(cái)務(wù)管理系統(tǒng)
{
	/// <summary>
	/// TrialBalance 的摘要說(shuō)明。
	/// </summary>
	public class TrialBalance : System.Windows.Forms.Form
	{
		private string sqlStr;
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.DataGrid dataGrid2;
		/// <summary>
		/// 必需的設(shè)計(jì)器變量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public TrialBalance(bool isNew)//修改構(gòu)造函數(shù)，以便在新建帳簿和試算平衡時(shí)分別使用
		{
			//
			// Windows 窗體設(shè)計(jì)器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 調(diào)用后添加任何構(gòu)造函數(shù)代碼
			//
			if(isNew==true)
			{
				sqlStr="select 科目代碼, 科目名稱,(case when 余額方向='借方' then 期初余額 else 0 end - 累計(jì)借方)"
					+" as 期初借方,(case when 余額方向='貸方' then 期初余額 else 0 end - 累計(jì)貸方) as 期初貸方,"
					+"累計(jì)借方 as 本期發(fā)生借方,累計(jì)貸方 as 本期發(fā)生貸方,  case when 余額方向='借方' then 期初余額 "
					+"else 0 end as 期末借方,case when 余額方向='貸方' then 期初余額 else 0 end as 期末貸方 "
					+"from 帳簿初始化表 where 累計(jì)借方<>0 or 累計(jì)貸方<>0 or 期初余額<>0";
			}
			else
			{
				sqlStr="select a.科目代碼, b.科目名稱,(case when a.余額方向='借方' then 期初余額 else 0 end )"
					+" as 期初借方,(case when a.余額方向='貸方' then 期初余額 else 0 end) as 期初貸方,"
					+" 本期借方合計(jì) as 本期發(fā)生借方, 本期貸方合計(jì) as 本期發(fā)生貸方,"
					+"case when a.余額方向='借方' then 余額 else 0 end as 期末借方,"
					+"case when a.余額方向='貸方' then 余額 else 0 end as 期末貸方 from 本期匯總賬簿 as a,"
					+"科目表 as b where a.科目代碼 = b.科目代碼 and (本期借方合計(jì)<> 0"
					+" or 本期貸方合計(jì)<>0 or 期初余額<>0 or 余額<>0)";
			}
		}

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

		#region Windows 窗體設(shè)計(jì)器生成的代碼
		/// <summary>
		/// 設(shè)計(jì)器支持所需的方法 - 不要使用代碼編輯器修改
		/// 此方法的內(nèi)容。
		/// </summary>
		private void InitializeComponent()
		{
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.dataGrid2 = new System.Windows.Forms.DataGrid();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.groupBox1.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid2)).BeginInit();
			this.SuspendLayout();
			// 
			// dataGrid1
			// 
			this.dataGrid1.CaptionVisible = false;
			this.dataGrid1.DataMember = "";
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(0, 0);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.ReadOnly = true;
			this.dataGrid1.Size = new System.Drawing.Size(640, 384);
			this.dataGrid1.TabIndex = 0;
			// 
			// groupBox1
			// 
			this.groupBox1.BackColor = System.Drawing.SystemColors.Control;
			this.groupBox1.Controls.Add(this.dataGrid2);
			this.groupBox1.Location = new System.Drawing.Point(0, 384);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(640, 88);
			this.groupBox1.TabIndex = 1;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "試算平衡結(jié)果";
			// 
			// dataGrid2
			// 
			this.dataGrid2.CaptionVisible = false;
			this.dataGrid2.DataMember = "";
			this.dataGrid2.ForeColor = System.Drawing.Color.Red;
			this.dataGrid2.HeaderBackColor = System.Drawing.SystemColors.Desktop;
			this.dataGrid2.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid2.Location = new System.Drawing.Point(8, 24);
			this.dataGrid2.Name = "dataGrid2";
			this.dataGrid2.ReadOnly = true;
			this.dataGrid2.SelectionForeColor = System.Drawing.SystemColors.Info;
			this.dataGrid2.Size = new System.Drawing.Size(624, 56);
			this.dataGrid2.TabIndex = 2;
			// 
			// TrialBalance
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(640, 477);
			this.Controls.Add(this.groupBox1);
			this.Controls.Add(this.dataGrid1);
			this.Name = "TrialBalance";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "【試算平衡表】";
			this.Load += new System.EventHandler(this.TrialBalance_Load);
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
			this.groupBox1.ResumeLayout(false);
			((System.ComponentModel.ISupportInitialize)(this.dataGrid2)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		//-------------創(chuàng)建窗體時(shí)顯示數(shù)據(jù)-----------
		private void TrialBalance_Load(object sender, System.EventArgs e)
		{
			string strConn = "workstation id=localhost;Integrated Security=SSPI;database=caiwubook";
			SqlConnection cn=new SqlConnection(strConn);
			cn.Open();
			SqlDataAdapter da=new SqlDataAdapter(sqlStr,cn);
			DataTable newTable=new DataTable();
			
			da.Fill(newTable);
			dataGrid1.DataSource=newTable;

			this.sumTable(newTable);

		}
		//----------------統(tǒng)計(jì)數(shù)據(jù)，判斷是否平衡--------------------
		private void sumTable(DataTable tbl)
		{
			decimal iniDebit=0;//期初借方
			decimal iniLoan=0;//期初貸方
			decimal thisDebit=0;//本期發(fā)生借方
			decimal thisLoan=0;//本期發(fā)生貸方
			decimal finDebit=0;//期末借方
			decimal finLoan=0;//期末貸方
			string isBalance="平衡";
			if(tbl.Rows.Count>0)
			{
				foreach(DataRow aRow in tbl.Rows)
				{
					iniDebit+=Convert.ToDecimal(aRow["期初借方"]);
					iniLoan+=Convert.ToDecimal(aRow["期初貸方"]);
					thisDebit+=Convert.ToDecimal(aRow["本期發(fā)生借方"]);
					thisLoan+=Convert.ToDecimal(aRow["本期發(fā)生貸方"]);
					finDebit+=Convert.ToDecimal(aRow["期末借方"]);
					finLoan+=Convert.ToDecimal(aRow["期末貸方"]);
				}
				if(iniDebit!=iniLoan||thisDebit!=thisLoan||finDebit!=finLoan)
					isBalance="不平衡";
			}

			DataTable sumTable = new DataTable();
			sumTable.Columns.Add("是否平衡",typeof(string));
			
			sumTable.Columns.Add("期初借方",typeof(decimal));
			sumTable.Columns.Add("期初貸方",typeof(decimal));
			sumTable.Columns.Add("本期發(fā)生借方",typeof(decimal));
			sumTable.Columns.Add("本期發(fā)生貸方",typeof(decimal));
			sumTable.Columns.Add("期末借方",typeof(decimal));
			sumTable.Columns.Add("期末貸方",typeof(decimal));
			
			
			this.dataGrid2.DataSource = sumTable;
			sumTable.Rows.Add(sumTable.NewRow()); //向表中添加一行

			//設(shè)置表格格式
			DataGridTableStyle ts = new DataGridTableStyle();
			DataGridTextBoxColumn aColumnTextColumn;
			ts.AllowSorting = false;
			
			ts.MappingName = sumTable.TableName;
			int numCols = sumTable.Columns.Count;
			
			for (int i = 0;i< numCols;i++)
			{
				aColumnTextColumn = new DataGridTextBoxColumn();
				aColumnTextColumn.MappingName = sumTable.Columns[i].ColumnName;
				aColumnTextColumn.HeaderText = sumTable.Columns[i].ColumnName;
				aColumnTextColumn.NullText = "";
				aColumnTextColumn.Format = "N"; //設(shè)置為數(shù)字格式顯示
				
				ts.GridColumnStyles.Add(aColumnTextColumn);
			}
			dataGrid2.TableStyles.Add(ts);
			//將結(jié)果顯示在表格中
			dataGrid2[0,0]=isBalance;
			dataGrid2[0,1]=iniDebit.ToString();
			dataGrid2[0,2]=iniLoan.ToString();
			dataGrid2[0,3]=thisDebit.ToString();
			dataGrid2[0,4]=thisLoan.ToString();
			dataGrid2[0,5]=finDebit.ToString();
			dataGrid2[0,6]=finLoan.ToString();
			if(isBalance=="不平衡")//如果試算結(jié)果不平衡，則用紅色來(lái)提醒用戶
			{
				groupBox1.Text="試算結(jié)果不平衡!";
				groupBox1.BackColor=Color.Red;
			}
			else
			{
				groupBox1.Text="試算結(jié)果平衡";
			}

		}
	}
}