eDosWeb/safety/Bericht.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Telerik.Web.UI;

namespace safety
{
    public partial class Bericht : System.Web.UI.Page
    {
        const int MaxTotalBytes = 1048576; // 1 MB
        Int64 totalBytes;
        protected void Page_Load(object sender, EventArgs e)
        {
            General.setTitle(Master, "Bericht");
        }


        public bool? IsRadAsyncValid
        {
            get
            {
                if (Session["IsRadAsyncValid"] == null)
                {
                    Session["IsRadAsyncValid"] = true;
                }
                return Convert.ToBoolean(Session["IsRadAsyncValid"].ToString());
            }
            set
            {
                Session["IsRadAsyncValid"] = value;
            }
        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            IsRadAsyncValid = null;
        }



        protected void RadGrid1_ItemCreated(object sender, GridItemEventArgs e)
        {
            if (e.Item is GridEditableItem && e.Item.IsInEditMode)
            {
                RadAsyncUpload upload = ((GridEditableItem)e.Item)["Upload"].FindControl("AsyncUpload1") as RadAsyncUpload;
                TableCell cell = (TableCell)upload.Parent;

                CustomValidator validator = new CustomValidator();
                validator.ErrorMessage = "Please select file to be uploaded";
                validator.ClientValidationFunction = "validateRadUpload";
                validator.Display = ValidatorDisplay.Dynamic;
                cell.Controls.Add(validator);
            }
        }

        protected void RadGrid1_ItemCommand(object source, GridCommandEventArgs e)
        {
            
            if (e.CommandName == RadGrid.EditCommandName)
            {
                RadScriptManager.RegisterStartupScript(Page, Page.GetType(), "SetEditMode", "isEditMode = true;", true);
            }
            else if (e.CommandName == "DownloadMyFile")
            {
                GridDataItem item = e.Item as GridDataItem;
                int MessageID = (int) item.GetDataKeyValue("MessageID");
                string lang =  (string) item.GetDataKeyValue("lang");

                //object im = item.GetDataKeyValue("Message");
                //string strID = item.GetDataKeyValue("ID").ToString();
                //string strName = item["Name"].Text;
                //// Download File
                //string path = Server.MapPath("~/images/" + e.CommandArgument);
                //string attachment = "attachment; filename=" + e.CommandArgument;
                //Response.Clear();
                //Response.AddHeader("content-disposition", attachment);
                //Response.ContentType = "image/jpeg";
                //Response.WriteFile(path);
                //Response.End();
                System.Data.SqlClient.SqlConnection cn = new System.Data.SqlClient.SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["BerichtConnectionString"].ConnectionString);
                System.Data.SqlClient.SqlCommand cm = new System.Data.SqlClient.SqlCommand("getImage", cn);
                cm.CommandType = System.Data.CommandType.StoredProcedure;
                cm.Parameters.AddWithValue("@id", MessageID);
                cm.Parameters.AddWithValue("@lang", lang);
                cn.Open();
                Response.Clear();
                string attachment = "attachment; filename=image.jpg";
                Response.AddHeader("content-disposition", attachment);
                Response.ContentType = "image/jpeg";
                try
                {
                    System.Data.SqlClient.SqlDataReader r = cm.ExecuteReader(System.Data.CommandBehavior.CloseConnection | System.Data.CommandBehavior.SingleResult | System.Data.CommandBehavior.SingleRow);
                    if (r != null && r.Read())
                    {
                        Byte[] bytChunk = (byte[])r["Message"];
                        Response.ContentType = "image/jpeg";
                        Response.BinaryWrite(bytChunk);
                    }
                    else
                        Response.Redirect("images/no-photo.gif");
                }
                catch (System.Exception ex)
                {
                }
                finally
                {
                    cn.Close();
                    Response.End();
                
                }
            }
        }



        protected string TrimDescription(string description)
        {
            if (!string.IsNullOrEmpty(description) && description.Length > 200)
            {
                return string.Concat(description.Substring(0, 200), "...");
            }
            return description;
        }

        protected void AsyncUpload1_FileUploaded(object sender, FileUploadedEventArgs e)
        {
            if ((totalBytes < MaxTotalBytes) && (e.File.ContentLength < MaxTotalBytes))
            {
                e.IsValid = true;
                totalBytes += e.File.ContentLength;
                IsRadAsyncValid = true;
            }
            else
            {
                e.IsValid = false;
                IsRadAsyncValid = false;
            }
        }
    }
}