#pragma once #include "Form2.h" namespace cdemo { 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::Data::OleDb; using namespace System::IO; /// <summary> /// Form1 摘要 ///http://1code.codeplex.com/ ///http://www.codeproject.com/Tips/810596/Csharp-VB-NET-Cplusplus-CLI-Create-read-and-write /// 警告: 如果更改此类的名称,则需要更改 /// 与此类所依赖的所有 .resx 文件关联的托管资源编译器工具的 /// “资源文件名”属性。否则, /// 设计器将不能与此窗体的关联 /// 本地化资源正确交互。 /// </summary> public ref class Form1 : public System::Windows::Forms::Form { public: Form1(void) { InitializeComponent(); // //TODO: 在此处添加构造函数代码 // } protected: /// <summary> /// 清理所有正在使用的资源。 /// </summary> ~Form1() { if (components) { delete components; } } private: System::Windows::Forms::Label^ label1; private: System::Windows::Forms::DataGridView^ dataGridView1; private: System::Windows::Forms::ComboBox^ comboBoxTables; private: System::Windows::Forms::Button^ buttonOK; protected: private: /// <summary> /// 必需的设计器变量。 /// </summary> System::ComponentModel::Container ^components; #pragma region Windows Form Designer generated code /// <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> void InitializeComponent(void) { this->label1 = (gcnew System::Windows::Forms::Label()); this->dataGridView1 = (gcnew System::Windows::Forms::DataGridView()); this->comboBoxTables = (gcnew System::Windows::Forms::ComboBox()); this->buttonOK = (gcnew System::Windows::Forms::Button()); (cli::safe_cast<System::ComponentModel::ISupportInitialize^ >(this->dataGridView1))->BeginInit(); this->SuspendLayout(); // // label1 // this->label1->AutoSize = true; this->label1->Location = System::Drawing::Point(533, 268); this->label1->Name = L"label1"; this->label1->Size = System::Drawing::Size(41, 12); this->label1->TabIndex = 0; this->label1->Text = L"label1"; // // dataGridView1 // this->dataGridView1->ColumnHeadersHeightSizeMode = System::Windows::Forms::DataGridViewColumnHeadersHeightSizeMode::AutoSize; this->dataGridView1->Location = System::Drawing::Point(32, 84); this->dataGridView1->Name = L"dataGridView1"; this->dataGridView1->RowTemplate->Height = 23; this->dataGridView1->Size = System::Drawing::Size(478, 344); this->dataGridView1->TabIndex = 1; this->dataGridView1->CellDoubleClick += gcnew System::Windows::Forms::DataGridViewCellEventHandler(this, &Form1::dataGridView1_CellDoubleClick); // // comboBoxTables // this->comboBoxTables->FormattingEnabled = true; this->comboBoxTables->Location = System::Drawing::Point(87, 27); this->comboBoxTables->Name = L"comboBoxTables"; this->comboBoxTables->Size = System::Drawing::Size(121, 20); this->comboBoxTables->TabIndex = 2; // // buttonOK // this->buttonOK->Location = System::Drawing::Point(228, 27); this->buttonOK->Name = L"buttonOK"; this->buttonOK->Size = System::Drawing::Size(75, 23); this->buttonOK->TabIndex = 3; this->buttonOK->Text = L"button1"; this->buttonOK->UseVisualStyleBackColor = true; this->buttonOK->Click += gcnew System::EventHandler(this, &Form1::buttonOK_Click); // // Form1 // this->AutoScaleDimensions = System::Drawing::SizeF(6, 12); this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font; this->ClientSize = System::Drawing::Size(586, 485); this->Controls->Add(this->buttonOK); this->Controls->Add(this->comboBoxTables); this->Controls->Add(this->dataGridView1); this->Controls->Add(this->label1); this->Name = L"Form1"; this->Text = L"Form1"; this->Load += gcnew System::EventHandler(this, &Form1::Form1_Load); this->FormClosed += gcnew System::Windows::Forms::FormClosedEventHandler(this, &Form1::Form1_FormClosed); (cli::safe_cast<System::ComponentModel::ISupportInitialize^ >(this->dataGridView1))->EndInit(); this->ResumeLayout(false); this->PerformLayout(); } #pragma endregion String ^DBPath; OleDbConnection ^conn; OleDbDataAdapter ^adapter; DataTable ^dtMain; private: System::Void Form1_Load(System::Object^ sender, System::EventArgs^ e) { DBPath = Application::StartupPath + "\test.mdb"; // create DB via ADOX if not exists if (!File::Exists(DBPath)) { ADOX::Catalog ^cat = gcnew ADOX::Catalog(); //添加引用 Interop.ADOX.2.8.dll cat->Create("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + DBPath); cat = nullptr; } // connect to DB conn = gcnew OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + DBPath); conn->Open(); // try { //OleDbCommand ^cmd = gcnew OleDbCommand("CREATE TABLE [geovindu] ([id] COUNTER PRIMARY KEY, [FirstName] MEMO, [Age] INT,[Email] MEMO);", conn); //创建表 // cmd->ExecuteNonQuery(); //delete cmd; //} catch (Exception ^ex) {if (ex != nullptr) ex = nullptr; } // get all tables from DB DataTable ^dt = conn->GetSchema("Tables"); for (int i = 0; i < dt->Rows->Count; i++) { if (dt->Rows[i]->ItemArray[dt->Columns->IndexOf("TABLE_TYPE")]->ToString() == "TABLE") { comboBoxTables->Items->Add(dt->Rows[i]->ItemArray[dt->Columns->IndexOf("TABLE_NAME")]->ToString()); } } delete dt; int i,pr=0; for(i=1;i<=10;i++) pr=pr*i; //char s="pr=%d"; this->label1->Text= pr.ToString(); //设置dataGridView的一些属性 // dataGridView1->Dock=DockStyle::Fill; // dataGridView1->AutoResizeColumns(); // dataGridView1->AutoSizeColumnsMode=DataGridViewAutoSizeColumnsMode::AllCells; // dataGridView1->EnableHeadersVisualStyles=true;/*根据应用程序来设置的,如果为false则根据自己的设置来绘制*/ // //设置表头的属性 // DataGridViewCellStyle^ headerStyle=gcnew DataGridViewCellStyle; // headerStyle->Font=gcnew System::Drawing::Font("Times New Roman",12,FontStyle::Bold); // headerStyle->BackColor=Color::AliceBlue; // headerStyle->ForeColor=Color::BurlyWood; // dataGridView1->ColumnHeadersDefaultCellStyle=headerStyle; // dataGridView1->AutoResizeColumnHeadersHeight(); //DataSet^ myDataSet = gcnew DataSet("Game Data"); //myDataSet->Tables->Add("Player"); //myDataSet->Tables->Add("Score"); //DataTable^ playerTable = myDataSet->Tables["Player"]; //DataColumn^ firstNameColumn1 = playerTable->Columns->Add("First Name",String::typeid); //DataColumn^ lastNameColumn1 = playerTable->Columns->Add("Last Name",String::typeid); //playerTable->Columns->Add("Email", String::typeid); //playerTable->Rows->Add("geovin","du","geovindu@163.com"); //playerTable->Rows->Add("聚文","涂","geovindu@qq.com"); // //1. ////dataGridView1->DataSource=myDataSet->Tables["Player"];//playerTable; ////2. // dataGridView1->DataSource=playerTable; //dataGridView1->Refresh(); ////dataGridView1->DataBindings::get; } //// private: System::Void dataGridView1_CellDoubleClick(System::Object^ sender, System::Windows::Forms::DataGridViewCellEventArgs^ e) { Form2 ^ frm2 = gcnew Form2(); frm2->Text="编辑资料"; frm2->textBox1->Text=dataGridView1->Rows[e->RowIndex]->Cells["FirstName"]->Value->ToString(); frm2->textBox2->Text=dataGridView1->Rows[e->RowIndex]->Cells["Email"]->Value->ToString(); frm2->Show(); //this->Hide(); } /// private: System::Void buttonOK_Click(System::Object^ sender, System::EventArgs^ e) { if (comboBoxTables->SelectedItem == nullptr) return; adapter = gcnew OleDbDataAdapter("SELECT * FROM [" + comboBoxTables->SelectedItem->ToString() + "]", conn); gcnew OleDbCommandBuilder(adapter); dtMain = gcnew DataTable(); adapter->Fill(dtMain); dtMain->Columns["id"]->ReadOnly = true; // deprecate id field edit to prevent exceptions dataGridView1->DataSource = dtMain; } /// private: System::Void Form1_FormClosed(System::Object^ sender, System::Windows::Forms::FormClosedEventArgs^ e) { if (adapter == nullptr) return; adapter->Update(dtMain); } }; }