reportcontactform.h

实现了很好的客户关系管理功能

			this->查询条件ComboBox->FormattingEnabled = true;
			this->查询条件ComboBox->Items->AddRange(gcnew cli::array< System::Object^  >(4) {L"客户名称", L"主题", L"业务员", L"方式"});
			this->查询条件ComboBox->Location = System::Drawing::Point(67, 4);
			this->查询条件ComboBox->Name = L"查询条件ComboBox";
			this->查询条件ComboBox->Size = System::Drawing::Size(138, 20);
			this->查询条件ComboBox->TabIndex = 21;
			this->查询条件ComboBox->Text = L"客户名称";
			// 
			// label1
			// 
			this->label1->AutoSize = true;
			this->label1->Location = System::Drawing::Point(1, 9);
			this->label1->Name = L"label1";
			this->label1->Size = System::Drawing::Size(65, 12);
			this->label1->TabIndex = 20;
			this->label1->Text = L"查询条件：";
			// 
			// ReportContactForm
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 12);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(542, 416);
			this->Controls->Add(this->查询值TextBox);
			this->Controls->Add(this->客户联系DataGridView);
			this->Controls->Add(this->打印Button);
			this->Controls->Add(this->结束日期DateTimePicker);
			this->Controls->Add(this->label3);
			this->Controls->Add(this->开始日期DateTimePicker);
			this->Controls->Add(this->label4);
			this->Controls->Add(this->查询Button);
			this->Controls->Add(this->label2);
			this->Controls->Add(this->查询条件ComboBox);
			this->Controls->Add(this->label1);
			this->Name = L"ReportContactForm";
			this->StartPosition = System::Windows::Forms::FormStartPosition::CenterParent;
			this->Text = L"客户业务联系报表";
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^  >(this->客户联系DataGridView))->EndInit();
			this->ResumeLayout(false);
			this->PerformLayout();

		}
#pragma endregion
		public: String^ MyCompany;
		private: System::Data::DataTable^ MyQueryTable;
		private: static String^ MyCRMConnectionString= L"Data Source=.;Initial Catalog=MyCRM;Integrated Security=True;Pooling=False";
		private: System::Void 查询Button_Click(System::Object^  sender, System::EventArgs^  e) {
			MyQueryTable = gcnew System::Data::DataTable();
            SqlConnection^ MyConnection = gcnew SqlConnection();
            MyConnection->ConnectionString = MyCRMConnectionString;
            MyConnection->Open();
            String^ MySQL = "SELECT * FROM 业务联系 WHERE (日期 BETWEEN '" + this->开始日期DateTimePicker->Value.ToString() + "' AND '" + this->结束日期DateTimePicker->Value.ToString() + "') AND (" + this->查询条件ComboBox->Text + " LIKE '%" + this->查询值TextBox->Text + "%')";
            SqlDataAdapter^ MyAdapter = gcnew SqlDataAdapter(MySQL, MyConnection);
            MyAdapter->Fill(MyQueryTable);
            this->客户联系DataGridView->DataSource = MyQueryTable;
			if (MyConnection->State == ConnectionState::Open)
            {
                MyConnection->Close();
            }
		 }
		private: System::Void 打印Button_Click(System::Object^  sender, System::EventArgs^  e) {
            if (this->MyQueryTable->Rows->Count < 1)
            {
                return;
            }
                   //导出Excel表格数据文件
     		ApplicationClass^ MyExcel;
			Workbooks^ MyWorkBooks;
			Workbook^ MyWorkBook;
			Worksheet^ MyWorkSheet;
			char MyColumns;
			Range^ MyRange;
			array<System::Object^,2>^ MyData=gcnew array<System::Object^,2>(5000,30);
			int Count, i, j;
			MyExcel = gcnew ApplicationClass();
			MyExcel->Visible = true;
			if (MyExcel == nullptr)
			{
				MessageBox::Show("Excel程序无法启动！", "信息提示", MessageBoxButtons::OK, MessageBoxIcon::Information);
				return;
			}
			MyWorkBooks = MyExcel->Workbooks;
			MyWorkBook = MyWorkBooks->Add(Missing::Value);
			MyWorkSheet = (Worksheet^)MyWorkBook->Worksheets[1];	
			switch(this->MyQueryTable->Columns->Count+ 64)
			{
			case 64:
				 MyRange=MyWorkSheet->Range["A5","A5"];
				break;
			case 65:
				MyRange=MyWorkSheet->Range["A5","B5"];
				break;
			case 66:
				MyRange=MyWorkSheet->Range["A5","C5"];
				break;
			case 67:
				MyRange=MyWorkSheet->Range["A5","D5"];
				break;
			case 68:
				MyRange=MyWorkSheet->Range["A5","E5"];
				break;
			case 69:
				MyRange=MyWorkSheet->Range["A5","F5"];
				break;
			case 70:
				MyRange=MyWorkSheet->Range["A5","G5"];
				break;
			case 71:
				MyRange=MyWorkSheet->Range["A5","H5"];
				break;
			case 72:
				MyRange=MyWorkSheet->Range["A5","I5"];
				break;
			case 73:
				MyRange=MyWorkSheet->Range["A5","J5"];
				break;
			case 74:
				MyRange=MyWorkSheet->Range["A5","K5"];
				break;
			case 75:
				MyRange=MyWorkSheet->Range["A5","L5"];
				break;
			case 76:
				MyRange=MyWorkSheet->Range["A5","M5"];
				break;
			case 77:
				MyRange=MyWorkSheet->Range["A5","N5"];
				break;
			case 78:
				MyRange=MyWorkSheet->Range["A5","O5"];
				break;
			case 79:
				MyRange=MyWorkSheet->Range["A5","P5"];
				break;
			case 80:
				MyRange=MyWorkSheet->Range["A5","Q5"];
				break;
			case 81:
				MyRange=MyWorkSheet->Range["A5","R5"];
				break;
			case 82:
				MyRange=MyWorkSheet->Range["A5","S5"];
				break;
			case 83:
				MyRange=MyWorkSheet->Range["A5","T5"];
				break;
			case 84:
				MyRange=MyWorkSheet->Range["A5","U5"];
				break;
			case 85:
				MyRange=MyWorkSheet->Range["A5","V5"];
				break;
			case 86:
				MyRange=MyWorkSheet->Range["A5","W5"];
				break;
			case 87:
				MyRange=MyWorkSheet->Range["A5","X5"];
				break;
			case 88:
				MyRange=MyWorkSheet->Range["A5","Y5"];
				break;
			case 89:
				MyRange=MyWorkSheet->Range["A5","Z5"];
				break;
			}			        
            Count = 0;
            for each (DataColumn^ MyNewColumn in this->MyQueryTable->Columns)
            {
                MyData[0, Count] = MyNewColumn->ColumnName;
                Count = Count + 1;
            }
            j = 1;
            //输出数据库记录
            for each (DataRow^ MyRow in this->MyQueryTable->Rows)
            {
                for (i = 0; i < this->MyQueryTable->Columns->Count; i++)
                {
                    MyData[j, i] = MyRow[i]->ToString();
                }
                j++;
            }
            MyRange = MyRange->Resize[this->MyQueryTable->Rows->Count + 1, this->MyQueryTable->Columns->Count];
            MyRange->Value2 = MyData;
            MyRange->EntireColumn->AutoFit();
            MyWorkSheet->Cells[2, 2] = this->MyCompany + "客户联系统计表";
            MyWorkSheet->Cells[4, 1] = "开始日期：" + this->开始日期DateTimePicker->Value.ToShortDateString() + "　　　　　　　　结束日期：" + this->结束日期DateTimePicker->Value.ToShortDateString();           
		 }
	};
}