form1.h

来自「《VC++2005编程实例》第五章的源代码」· C头文件 代码 · 共 143 行

#pragma once


namespace Example {

	using namespace System;
	using namespace System::ComponentModel;
	using namespace System::Collections;
	using namespace System::Windows::Forms;
	using namespace System::Data;
	using namespace System::Drawing;
	

	/// <summary>
	/// Form1 摘要
	///
	/// 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;
	protected: 
	private: System::Windows::Forms::TextBox^  textBox1;
	private: System::Windows::Forms::Button^  button1;
	private: System::Windows::Forms::DataGridView^  dataGridView1;

	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->textBox1 = (gcnew System::Windows::Forms::TextBox());
			this->button1 = (gcnew System::Windows::Forms::Button());
			this->dataGridView1 = (gcnew System::Windows::Forms::DataGridView());
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^  >(this->dataGridView1))->BeginInit();
			this->SuspendLayout();
			// 
			// label1
			// 
			this->label1->AutoSize = true;
			this->label1->Location = System::Drawing::Point(3, 12);
			this->label1->Name = L"label1";
			this->label1->Size = System::Drawing::Size(83, 12);
			this->label1->TabIndex = 0;
			this->label1->Text = L"SQL查询语句：";
			// 
			// textBox1
			// 
			this->textBox1->Location = System::Drawing::Point(83, 5);
			this->textBox1->Name = L"textBox1";
			this->textBox1->Size = System::Drawing::Size(206, 21);
			this->textBox1->TabIndex = 1;
			this->textBox1->Text = L"Select * From 客户";
			// 
			// button1
			// 
			this->button1->Location = System::Drawing::Point(295, 3);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(91, 23);
			this->button1->TabIndex = 2;
			this->button1->Text = L"查询Web服务";
			this->button1->UseVisualStyleBackColor = true;
			this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
			// 
			// dataGridView1
			// 
			this->dataGridView1->Anchor = static_cast<System::Windows::Forms::AnchorStyles>((((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Bottom) 
				| System::Windows::Forms::AnchorStyles::Left) 
				| System::Windows::Forms::AnchorStyles::Right));
			this->dataGridView1->ColumnHeadersHeightSizeMode = System::Windows::Forms::DataGridViewColumnHeadersHeightSizeMode::AutoSize;
			this->dataGridView1->Location = System::Drawing::Point(5, 28);
			this->dataGridView1->Name = L"dataGridView1";
			this->dataGridView1->RowTemplate->Height = 23;
			this->dataGridView1->Size = System::Drawing::Size(381, 184);
			this->dataGridView1->TabIndex = 3;
			// 
			// Form1
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 12);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(390, 214);
			this->Controls->Add(this->dataGridView1);
			this->Controls->Add(this->button1);
			this->Controls->Add(this->textBox1);
			this->Controls->Add(this->label1);
			this->Name = L"Form1";
			this->StartPosition = System::Windows::Forms::FormStartPosition::CenterScreen;
			this->Text = L"演示异步调用Web Service程序";
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^  >(this->dataGridView1))->EndInit();
			this->ResumeLayout(false);
			this->PerformLayout();

		}
#pragma endregion
	//查询Web服务
	private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
			localhost::Service^ MyService = gcnew localhost::Service();
			//this->dataGridView1->DataSource =MyService->GetQueryResult (this->textBox1->Text)->Tables[0];
			MyService->GetQueryResultCompleted += gcnew localhost::GetQueryResultCompletedEventHandler(this,&Example::Form1::MyAsyncQueryMethod);
		    MyService->GetQueryResultAsync(this->textBox1->Text);
		}
	//异步处理方法
	public:void MyAsyncQueryMethod(Object^ Sender, localhost::GetQueryResultCompletedEventArgs^ e)
	{
		this->dataGridView1->DataSource = e->Result->Tables[0];
	}
};
}