receive_flow.aspx.cs

oa办公系统

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.SqlClient;
using System.IO;

public partial class Receive_Flow : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        btndel.Attributes.Add("onclick", "return confirm('确定要删除选择的公文信息吗？')");
        if (Session["uname"].ToString() != null)
        {
            if (!IsPostBack)
            {
                bandFlow();
            }
        }
    }
    private void bandFlow()
    {
        file f = new file();
        FlowView.DataSource = f.Select_Flow(Convert.ToInt32(Session["uname"]));
        FlowView.DataBind();
    }
    protected void down_flow_Command(object sender, CommandEventArgs e)
    {
        string flow_filename = e.CommandArgument.ToString();
        string filepath = Server.MapPath("Flow\\" + flow_filename);
        if (File.Exists(filepath))
        {
            FileInfo files = new FileInfo(filepath);
            Response.Clear();
            Response.ContentType = "application/octet-stream";
            Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(flow_filename, System.Text.Encoding.UTF8));
            Response.AddHeader("Content-length", files.Length.ToString());
            Response.Flush();
            Response.WriteFile(filepath);
        }
        else
        {
            Response.Write("<script>alert('没有找到下载的源文件！')</script>");
        }
    }
    protected void FlowView_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        FlowView.PageIndex = e.NewPageIndex;
        bandFlow();
    }
    protected void btndel_Click(object sender, EventArgs e)
    {
        for (int i = 0; i <= this.FlowView.Rows.Count - 1; i++)
        {
            CheckBox check = (CheckBox)this.FlowView.Rows[i].FindControl("checkdel");
            if (check.Checked == true)
            {
                int Flow_id = Convert.ToInt32(FlowView.DataKeys[i].Value.ToString());
                string filename = ((LinkButton)FlowView.Rows[i].FindControl("down_flow")).Text.ToString();
                string FullPath = Server.MapPath("Flow") + "\\" + filename;
                if (File.Exists(FullPath))
                {
                    File.Delete(FullPath);
                    file f = new file();
                    f.Delete_Flow(Flow_id);
                }

            }
        }
        bandFlow();
        Response.Write("<script>alert('删除成功！')</script>");
    }
}