metadata.cs

海底光测网模拟数据传输

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data.SqlClient;
using System.Data;


namespace simular_data
{
	/// <summary>
	/// MetaData 的摘要说明。
	/// </summary>
	public class MetaData : System.Windows.Forms.Form
	{
		private System.Windows.Forms.DataGrid dataGrid1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public DataSet custDS = new DataSet();
		public SqlConnection connection=new System.Data.SqlClient.SqlConnection ();
		public main frm = new main();

		public MetaData()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <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>
		private void InitializeComponent()
		{
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.SuspendLayout();
			// 
			// dataGrid1
			// 
			this.dataGrid1.DataMember = "";
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(112, 40);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.Size = new System.Drawing.Size(368, 344);
			this.dataGrid1.TabIndex = 0;
			// 
			// MetaData
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(648, 446);
			this.Controls.Add(this.dataGrid1);
			this.Name = "MetaData";
			this.Text = "日志管理";
			this.Load += new System.EventHandler(this.MetaData_Load);
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		private void MetaData_Load(object sender, System.EventArgs e)
		{
			connection.ConnectionString = "workstation id=local;integrated security=SSPI;" + "persist security info=False;initial catalog=Marine_network";
			//打开数据连接
			connection.Open();
			
			try
			{				
				
				//定义查询变量并初始化
				SqlCommand selectCMD = new SqlCommand("SELECT * FROM  MetaData", connection);
				//定义数据适配器,并用查询变量初始化
				SqlDataAdapter custDA = new SqlDataAdapter();
				custDA.SelectCommand = selectCMD;
							
				//填充数据集
				custDA.Fill(custDS, "日志文件列表");								
													
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message);
			}
			
			connection.Close();
			dataGrid1.DataSource = custDS.Tables[0];
		}
	}
}