selltable.cs

进销存管理系统

			this.doubleClicked();
		}

		private void dgrd_SellTable_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			//获取当前点击鼠标时的时间
			DataGrid myGrid   = (DataGrid)sender;
			System.Windows.Forms.DataGrid.HitTestInfo myHitTest;
			// Use the DataGrid control's HitTest method with the x and y properties.
			myHitTest = this.dgrd_SellTable.HitTest(e.X,e.Y);
			if ( myHitTest.Type == System.Windows.Forms.DataGrid.HitTestType.Cell )
				gridMouseDownTime = DateTime.Now;
		}

		private void dgrd_SellTable_CurrentCellChanged(object sender, System.EventArgs e)
		{
			this.selectWareMessage();
			this.controlCalculate();
		}

		//------------处理鼠标在dataGrid上的单击事件-----------
		private void TextBoxMouseDownHandler(object sender, MouseEventArgs e )
		{
			//第一个判断条件：在单元格的textbox中的双击(即单击DataCell,使它获得焦点后,然后再响应该Cell中的双击事件)
			//第二个判断条件：DataGrid 的 DoubleClick(直接双击Cell就响应双击事件,无须先单击Cell,使它获得焦点,然后再响应双击事件)
			//判断时间间隔是否小于控制面板中所定义的双击间隔时间
			if( e.Button == MouseButtons.Left && e.Clicks == 2 || DateTime.Now < gridMouseDownTime.AddMilliseconds(SystemInformation.DoubleClickTime))
			{
				this.doubleClicked();
			}
		}

		//------------在表格中双击，创建窗体以供选择货物或选择仓库-------------
		private void doubleClicked()
		{
			if (this.dgrd_SellTable.CurrentCell.ColumnNumber == 0 )//若鼠标单击的是第一列，则为选择货物
			{
				this.dgrd_SellTable[dgrd_SellTable.CurrentCell.RowNumber,3] = inputDataGridArray[3] = "";
				WareDataManage newFrm = new WareDataManage(false);
				newFrm.setDataGridReadOnly(true);
				newFrm.ShowDialog();
				setWareData();
				SendKeys.Send("{Tab}");//向活动应用程序发送Tab键,跳到下一控件(此处为下一格)
			}
			
			if (this.dgrd_SellTable.CurrentCell.ColumnNumber == 3)//选择仓库
			{
				string sendStrSQL = "select 仓库,库存数量 from 库存库 where 货号 = '" + dgrd_SellTable[dgrd_SellTable.CurrentCell.RowNumber,0].ToString().Trim() + "' order by 仓库 ASC";
				SelectStorage newFrm = new SelectStorage(sendStrSQL);
				newFrm.ShowDialog();
				setStorageData();
				//赋值完毕后跳向下一行
				this.dgrd_SellTable.CurrentCell = new DataGridCell(this.dgrd_SellTable.CurrentCell.ColumnNumber+1,0);
			}
		}

		//--------------向数据库提交数据--------------
		private void clickedSaveIcon()
		{
			try
			{
				//注意:必须先删除进货单明细表中的数据,然后才能再删除进货单中的数据
				string sendSQL = "delete 销售单明细";
				this.link.UpdateDataBase(sendSQL); //删除进货单明细中的数据
				sendSQL = "delete 销售单";
				this.link.UpdateDataBase(sendSQL); //删除进货单中的数据


				//向销售单中写入数据
				int intMaxSellNumberID= 0;
				sendSQL = "select 编号 from 销售单历史";
				//从销售单明细中读取"编号"列,取它的最大值，以便为新添加的数据编号
				DataTable intNumberTable = this.link.SelectDataBase(sendSQL);
				for (int i=0;i<intNumberTable.Rows.Count;i++)
				{
					if (intMaxSellNumberID < System.Int32.Parse(intNumberTable.Rows[i][0].ToString()))
					{
						intMaxSellNumberID = System.Int32.Parse(intNumberTable.Rows[i][0].ToString());
					}
				}
				sendSQL = "select 编号 from 销售单";
				//从销售单明细中读取"编号"列,取它的最大值，以便为新添加的数据编号
				intNumberTable = this.link.SelectDataBase(sendSQL);
				for (int i=0;i<intNumberTable.Rows.Count;i++)
				{
					if (intMaxSellNumberID < System.Int32.Parse(intNumberTable.Rows[i][0].ToString()))
					{
						intMaxSellNumberID = System.Int32.Parse(intNumberTable.Rows[i][0].ToString());
					}
				}
				intMaxSellNumberID++;
				string strClientID = this.cmb_ClientID.Items[0].ToString().Trim();
				string strSellDate = this.txt_SellDate.Text.Trim();
				string strOperator = this.cmb_Oprater.SelectedItem.ToString().Trim();
				string strMaker = this.txt_Maker.Text.Trim();
				decimal decTotalCount = Decimal.Parse(this.txt_TotalCount.Text.Trim());
				decimal decNoTax = Decimal.Parse(this.txt_NoTax.Text.Trim());
				decimal decTax =Decimal.Parse(this.txt_Tax.Text.Trim());
				string sendValues = "('" + intMaxSellNumberID +"','"+ strClientID +"','"+ strSellDate +"','"+ strOperator +"','"+
					strMaker +"','"+ decTotalCount +"','"+ decNoTax +"','"+ decTax + "')";
				sendSQL = "insert 销售单 (编号,客户编号,销售日期,业务员,制单人,税价合计,不含税价,税额) values " + sendValues;
				this.link.UpdateDataBase(sendSQL); 

				//向销售单明细中写入数据
				int intMaxNumberID = 0; 
				sendSQL = "select 编号 from 销售单明细历史";
				//从销售单明细中读取"编号"列,取它的最大值，以便为新添加的数据编号
				intNumberTable = this.link.SelectDataBase(sendSQL);
				for (int i=0;i<intNumberTable.Rows.Count;i++)
				{
					if (intMaxNumberID < System.Int32.Parse(intNumberTable.Rows[i][0].ToString()))
					{
						intMaxNumberID = System.Int32.Parse(intNumberTable.Rows[i][0].ToString());
					}
				}
				sendSQL = "select 编号 from 销售单明细";
				//从销售单明细中读取"编号"列,取它的最大值，以便为新添加的数据编号
				intNumberTable = this.link.SelectDataBase(sendSQL);
				for (int i=0;i<intNumberTable.Rows.Count;i++)
				{
					if (intMaxNumberID < System.Int32.Parse(intNumberTable.Rows[i][0].ToString()))
					{
						intMaxNumberID = System.Int32.Parse(intNumberTable.Rows[i][0].ToString());
					}
				}
				for (int row=0;row<this.newTable.Rows.Count;row++)
				{
					//首先判断表中的下一行数据是否为空,如果是则返回,以免因往数据库中写入空行而出错
					if(this.newTable.Rows[row][0].ToString() == "")
					{
						sendSQL = "delete from 销售单 where 编号 = '" + intMaxSellNumberID + "'";
						this.link.UpdateDataBase(sendSQL); //首先删除这次在销售单中加入的数据
						break;
					}
					else
					{
						intMaxNumberID++;
						string strWareID = this.dgrd_SellTable[row,0].ToString().Trim();
						decimal strWareCount = Decimal.Parse(this.dgrd_SellTable[row,1].ToString().Trim());
						decimal strWarePrice = Decimal.Parse(this.dgrd_SellTable[row,2].ToString().Trim());
						string strStorageID = this.dgrd_SellTable[row,3].ToString().Trim();
						sendValues = "('" + intMaxNumberID +"','"+intMaxSellNumberID +"','"+ strWareID +"','"+ strWareCount +"','"+ strWarePrice +"','"+
							decTotalCount +"','"+ 17 +"','"+ decNoTax +"','"+ decTax +"','"+ strStorageID + "')";
						sendSQL = "insert 销售单明细 (编号,销售单号,货号,销售数量,销售价,税价合计,税率,不含税价,税额,仓库) values " + sendValues;
						this.link.UpdateDataBase(sendSQL);
					}
				}
				MessageBox.Show("数据保存成功!","信息");
			}
			catch
			{
				MessageBox.Show("数据保存失败,请确认所有信息输入完整且正确!","提示");
				return;
			}
		}

		//---------将销售单数据存入历史记录---------
		private void clickedTrashIcon()
		{
			try
			{
				if (MessageBox.Show("确实要保存为历史记录吗?","询问",MessageBoxButtons.YesNo) == DialogResult.Yes)
				{
					this.link.UpdateDataBase("exec sf_销售单"); //调用存储过程
					//清除供货商信息
					this.cmb_ClientID.Items[0] = "";
					this.txt_Company.Text = "";
					//清除底部金额及税款信息
					this.txt_TotalCount.Text = "0.00";
					this.txt_NoTax.Text = "0.00";
					this.txt_Tax.Text = "0.00";
					//清除当前DataGrid中的所有数据
					newTable.Clear();
					//加入空行保证newTable中不为空，否则删除所有数据行后保存数据和MouseUp函数将引发异常出错
					newTable.Rows.Add(newTable.NewRow());
					MessageBox.Show("数据成功存入历史表!","信息");
				}
			}
			catch
			{
				MessageBox.Show("数据存入历史表时出错,请检查数据库!","提示");
			}
		}

		//------------将所选择的商品信息读入表格中------------
		private void selectWareMessage()
		{
			int intCurrentRowNumber = this.dgrd_SellTable.CurrentCell.RowNumber;
			//判断何时需要检索数据库的商品清单,读取商品信息(以免操作数据库次数过多,影响程序性能)
			if (this.dgrd_SellTable[intCurrentRowNumber,0].ToString() != "")
			{
				string strSearchWord = this.dgrd_SellTable[this.dgrd_SellTable.CurrentCell.RowNumber,0].ToString().Trim();
				string sendSQL = "select 货号,品名,单位 from 商品清单 where 货号 = '" + strSearchWord + "'";
				DataTable tempDataTable = this.link.SelectDataBase(sendSQL);
				if (tempDataTable.Rows.Count>0)
				{
					inputDataGridArray[0] = tempDataTable.Rows[0][0].ToString().Trim();
					inputDataGridArray[1] = tempDataTable.Rows[0][1].ToString().Trim();
					inputDataGridArray[2] = tempDataTable.Rows[0][2].ToString().Trim();
					this.setWareData();
				}
				//如果从数据库中没有检索出任何数据
				else
				{
					//inputDataGridArray[0]赋值为当前输入的值,方便用户再次修改输入
					inputDataGridArray[0] = this.dgrd_SellTable[intCurrentRowNumber,0].ToString().Trim(); 
					inputDataGridArray[1] = "";
					inputDataGridArray[2] = "";
					this.setWareData();
				}
			}
		}

		//------计算总价，税额等---------
		private void controlCalculate()
		{
			int intCurrentRowNumber = this.dgrd_SellTable.CurrentCell.RowNumber;
			string strWareCount = this.dgrd_SellTable[intCurrentRowNumber,1].ToString();
			string strWarePrice = this.dgrd_SellTable[intCurrentRowNumber,2].ToString();
			string strTotalCounter = this.dgrd_SellTable[intCurrentRowNumber,6].ToString();
			//当销售价和销售数量不为空,并且总金额为空时将当前光标移到下一行的开始处，以便DataTable依据表达式自动计算DataColumn的值
			if (strWareCount != "" && strWarePrice != "" && strTotalCounter=="")
			{
				this.dgrd_SellTable.CurrentCell = new DataGridCell(intCurrentRowNumber+1,0);
			}
			//为底部三个文本框计算总金额
			decimal intTotalCount = 0;
			decimal intNoTax = 0;
			decimal intTax = 0;

			//首先判断列是否为空
			object obj = newTable.Compute("SUM (金额)","");
			if (obj.GetType().ToString() != "System.DBNull")
			{
				intTotalCount = (decimal)this.newTable.Compute("SUM (金额)","");
				intNoTax = (decimal)this.newTable.Compute("SUM (不含税额)","");
				intTax = (decimal)this.newTable.Compute("SUM (税额)","");
			}

			this.txt_TotalCount.Text = intTotalCount.ToString("N");
			this.txt_NoTax.Text = intNoTax.ToString("N");
			this.txt_Tax.Text = intTax.ToString("N");
		}

		private void SellTable_Load(object sender, System.EventArgs e)
		{
		
		}
	}
}