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| #pragma once
namespace CLR_Windows_Forms {
using namespace System;
using namespace System::ComponentModel;
using namespace System::Collections;
using namespace System::Windows::Forms;
using namespace System::Data;
using namespace System::Drawing;
using namespace System::IO;
using namespace System::Data::OleDb;
using namespace System::String;
/// <summary>
/// Сводка для Form1
/// </summary>
public ref class Form1 : public System::Windows::Forms::Form
{
public:
Form1(void)
{
InitializeComponent();
//
//TODO: добавьте код конструктора
//
}
protected:
/// <summary>
/// Освободить все используемые ресурсы.
/// </summary>
~Form1()
{
if (components)
{
delete components;
}
}
private: System::Windows::Forms::Button^ button1;
protected:
private: System::Windows::Forms::Label^ label1;
private: System::Windows::Forms::Label^ label2;
private: System::Windows::Forms::Label^ label3;
private: System::Windows::Forms::TextBox^ textBox1;
private: System::Windows::Forms::TextBox^ textBox2;
private: System::Windows::Forms::OpenFileDialog^ openExcel;
private: System::Windows::Forms::Button^ buttonOpen;
private: System::Windows::Forms::DataGridView^ Данные;
private:
/// <summary>
/// Требуется переменная конструктора.
/// </summary>
System::ComponentModel::Container ^components;
#pragma region Windows Form Designer generated code
/// <summary>
/// Обязательный метод для поддержки конструктора - не изменяйте
/// содержимое данного метода при помощи редактора кода.
/// </summary>
void InitializeComponent(void)
{
this->button1 = (gcnew System::Windows::Forms::Button());
this->label1 = (gcnew System::Windows::Forms::Label());
this->label2 = (gcnew System::Windows::Forms::Label());
this->label3 = (gcnew System::Windows::Forms::Label());
this->textBox1 = (gcnew System::Windows::Forms::TextBox());
this->textBox2 = (gcnew System::Windows::Forms::TextBox());
this->openExcel = (gcnew System::Windows::Forms::OpenFileDialog());
this->buttonOpen = (gcnew System::Windows::Forms::Button());
this->Данные = (gcnew System::Windows::Forms::DataGridView());
(cli::safe_cast<System::ComponentModel::ISupportInitialize^ >(this->Данные))->BeginInit();
this->SuspendLayout();
//
// button1
//
this->button1->Location = System::Drawing::Point(70, 202);
this->button1->Name = L"button1";
this->button1->Size = System::Drawing::Size(128, 31);
this->button1->TabIndex = 0;
this->button1->Text = L"вычислить";
this->button1->UseVisualStyleBackColor = true;
this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
//
// label1
//
this->label1->AutoSize = true;
this->label1->Location = System::Drawing::Point(80, 36);
this->label1->Name = L"label1";
this->label1->Size = System::Drawing::Size(36, 13);
this->label1->TabIndex = 1;
this->label1->Text = L"qwerrt";
//
// label2
//
this->label2->AutoSize = true;
this->label2->Location = System::Drawing::Point(8, 65);
this->label2->Name = L"label2";
this->label2->Size = System::Drawing::Size(80, 13);
this->label2->TabIndex = 2;
this->label2->Text = L"введите число";
//
// label3
//
this->label3->AutoSize = true;
this->label3->Location = System::Drawing::Point(8, 120);
this->label3->Name = L"label3";
this->label3->Size = System::Drawing::Size(35, 13);
this->label3->TabIndex = 3;
this->label3->Text = L"ответ";
//
// textBox1
//
this->textBox1->Location = System::Drawing::Point(100, 65);
this->textBox1->Name = L"textBox1";
this->textBox1->Size = System::Drawing::Size(104, 20);
this->textBox1->TabIndex = 4;
//
// textBox2
//
this->textBox2->Location = System::Drawing::Point(77, 113);
this->textBox2->Name = L"textBox2";
this->textBox2->Size = System::Drawing::Size(120, 20);
this->textBox2->TabIndex = 5;
//
// openExcel
//
this->openExcel->Filter = L"Text files (*.txt)|*.txt|All files (*.*)|*.*";
this->openExcel->Title = L"Please select file";
this->openExcel->FileOk += gcnew System::ComponentModel::CancelEventHandler(this, &Form1::openFileDialog1_FileOk);
//
// buttonOpen
//
this->buttonOpen->Location = System::Drawing::Point(512, 62);
this->buttonOpen->Name = L"buttonOpen";
this->buttonOpen->Size = System::Drawing::Size(120, 19);
this->buttonOpen->TabIndex = 6;
this->buttonOpen->Text = L"Файл";
this->buttonOpen->UseVisualStyleBackColor = true;
this->buttonOpen->Click += gcnew System::EventHandler(this, &Form1::btnOpen_Click);
//
// Данные
//
this->Данные->AllowUserToOrderColumns = true;
this->Данные->ColumnHeadersHeightSizeMode = System::Windows::Forms::DataGridViewColumnHeadersHeightSizeMode::AutoSize;
this->Данные->Location = System::Drawing::Point(236, 27);
this->Данные->Name = L"Данные";
this->Данные->Size = System::Drawing::Size(266, 305);
this->Данные->TabIndex = 7;
//
// Form1
//
this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
this->ClientSize = System::Drawing::Size(654, 385);
this->Controls->Add(this->Данные);
this->Controls->Add(this->buttonOpen);
this->Controls->Add(this->textBox2);
this->Controls->Add(this->textBox1);
this->Controls->Add(this->label3);
this->Controls->Add(this->label2);
this->Controls->Add(this->label1);
this->Controls->Add(this->button1);
this->MaximizeBox = false;
this->Name = L"Form1";
this->Text = L"q";
(cli::safe_cast<System::ComponentModel::ISupportInitialize^ >(this->Данные))->EndInit();
this->ResumeLayout(false);
this->PerformLayout();
}
#pragma endregion
private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {
}
private: System::Void openFileDialog1_FileOk(System::Object^ sender, System::ComponentModel::CancelEventArgs^ e) {
}
public: static String^ SelectedTable = System::String::Empty;
private: System::Void btnOpen_Click(System::Object^ sender, System::EventArgs^ e) {
OpenFileDialog^ openExcel = gcnew OpenFileDialog();
openExcel->Filter = "Cursor Files|*.xls";
openExcel->Title = "Select a Cursor File";
if (openExcel->ShowDialog() == System::Windows::Forms::DialogResult::OK)
{
// Assign the cursor in the Stream to
// the Form's Cursor property.
this->Cursor = gcnew
System::Windows::Forms::Cursor(
openExcel->OpenFile());
}
}
private: void OpenFile()
{
try {
System::Data::DataTable^ dt = gcnew System::Data::DataTable(GetDataTableExcel(openExcel, SelectedTable));
Данные->DataSource = dt->DefaultView;
}
catch (System::Exception ^exp)
{
MessageBox::Show(exp->ToString(), "Error");
}
}
public: static System::Data::DataTable GetDataTableExcel(String^ strOpenFile, String^ Table)
{
System::Data::OleDb::OleDbConnection^ conn = gcnew System::Data::OleDb::OleDbConnection("Provider=Microsoft.Jet.OleDb.4.0; Data Source = " + strOpenFile + "; Extended Properties = \"Excel 8.0;HDR=Yes;IMEX=1\";");
conn->Open();
String^ strQuery = "SELECT * FROM [" + Table + "]";
System::Data::OleDb::OleDbDataAdapter^ adapter = gcnew System::Data::OleDb::OleDbDataAdapter(strQuery,conn);
System::Data::DataSet^ ds = gcnew System::Data::DataSet();
adapter->Fill(ds);
return *ds->Tables[0];
}
/*
public: System::Void buttonOpen_Click(System::Object^ sender, System::EventArgs^ e) {
OpenFileDialog^ import = gcnew OpenFileDialog();
import->Title = "Select file";
//import->InitialDirectory = "C:\\Users\\Zhekka\\Desktop";
//import->FileName = textBox4->Text;
import->Filter = "Excel Sheet(*.xls)|*.xls|All Files(*.*)|*.*";
import->FilterIndex = 1;
import->RestoreDirectory = true;
if (import->ShowDialog() == System::Windows::Forms::DialogResult::OK)
{
textBox4->Text = import->FileName;
FileList();
Application::DoEvents();
}
}
private: void OpenFile()
{
try {
System::Data::DataTable^ dt = gcnew System::Data::DataTable(GetDataTableExcel);
dgvList3->DataSource = dt->DefaultView;
}
catch (System::Exception ^exp)
{
MessageBox::Show(exp->ToString(), "Error");
}
}
public: static System::Data::DataTable GetDataTableExcel(String^ strFileName, String^ Table)
{
System::Data::OleDb::OleDbConnection^ conn = gcnew System::Data::OleDb::OleDbConnection("Provider=Microsoft.Jet.OleDb.4.0; Data Source = " + strFileName + "; Extended Properties = \"Excel 8.0;HDR=Yes;IMEX=1\";");
conn->Open();
String^ strQuery = "SELECT * FROM [" + Table + "]";
System::Data::OleDb::OleDbDataAdapter^ adapter = gcnew System::Data::OleDb::OleDbDataAdapter(strQuery,conn);
System::Data::DataSet^ ds = gcnew System::Data::DataSet();
adapter->Fill(ds);
return *ds->Tables[0];
}
};
} |
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