friendlinkedit.aspx.cs

asp.net 的某物流管理系统 MIS 系统

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;

public partial class WebNews_FriendLinkEdit : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        try
        {
            if (Session["Leaveword"].ToString() != "pass")
            {
                return;
            }

        }
        catch
        {
            return;
        }
        BindView();
    }
    private void BindView()
    {
        OleDbDataReader ds = ShowLink();
        LinkView.DataSource = ds;
        LinkView.DataBind();
        ds.Close();
    }
    public OleDbDataReader ShowLink()
    {
        string myConnectionString = ConfigurationManager.ConnectionStrings["OLEDBCONNECTIONSTRING1"].ConnectionString + Server.MapPath("~") + ConfigurationManager.ConnectionStrings["OLEDBCONNECTIONSTRING2"].ConnectionString;
        OleDbConnection myConnection = new OleDbConnection(myConnectionString);
        string cmdText = "SELECT * FROM [friendLink] ORDER BY [FriendlinkID] DESC";
        OleDbCommand myCommand = new OleDbCommand(cmdText, myConnection);
        OleDbDataReader dr = null;
        try
        {
            myConnection.Open();
            dr = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
        }
        catch (OleDbException ex)
        {
            throw new Exception(ex.Message, ex);
        }
        return dr;
    }
    private void DeleteLink(int nDirID)
    {

        string myConnectionString = ConfigurationManager.ConnectionStrings["OLEDBCONNECTIONSTRING1"].ConnectionString + Server.MapPath("~") + ConfigurationManager.ConnectionStrings["OLEDBCONNECTIONSTRING2"].ConnectionString;
        OleDbConnection myConnection = new OleDbConnection(myConnectionString);
        string cmdText = "DELETE FROM [Friendlink] WHERE [FriendlinkID]=" + nDirID.ToString();
        OleDbCommand myCommand = new OleDbCommand(cmdText, myConnection);
        try
        {
            myConnection.Open();
            myCommand.ExecuteNonQuery();
        }
        catch (OleDbException ex)
        {
            throw new Exception(ex.Message, ex);
        }
        finally
        {
            myConnection.Close();
        }
    }
    private void UpdateLink(int nDirID,int mycheck)
    {
        string myConnectionString = ConfigurationManager.ConnectionStrings["OLEDBCONNECTIONSTRING1"].ConnectionString + Server.MapPath("~") + ConfigurationManager.ConnectionStrings["OLEDBCONNECTIONSTRING2"].ConnectionString;
        OleDbConnection myConnection = new OleDbConnection(myConnectionString);
        string cmdText = "UPDATE [FriendLink] SET [ShowID]="+mycheck+" WHERE [FriendlinkID]=" + nDirID.ToString();
        OleDbCommand myCommand = new OleDbCommand(cmdText, myConnection);
        try
        {
            myConnection.Open();
            myCommand.ExecuteNonQuery();
        }
        catch (OleDbException ex)
        {
            throw new Exception(ex.Message, ex);
        }
        finally
        {
            myConnection.Close();
        }
    }
    protected void LinkView_RowCommand(object sender, GridViewCommandEventArgs e)
    {

        switch (e.CommandName)
        {
            case "show":
                Button button=(Button)e.CommandSource;
                UpdateLink(Int32.Parse(e.CommandArgument.ToString()),button.Text=="不显示"?1:0);
                BindView();
                break;
            case "delete":
                DeleteLink(Int32.Parse(e.CommandArgument.ToString()));
                BindView();
                break;
            default: break;
        }
    }
    protected void LinkView_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
    }
}