Update 20241106

Client/UIControls/DocPreview.cs

@@ -12,6 +12,8 @@ using System.Net;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using Database;
+using System.Linq.Expressions;
 
 namespace OnDoc.UIControls
 {
@@ -63,6 +65,30 @@ namespace OnDoc.UIControls
                 
             }
         }
+
+        public void Show_Serienbrief_Dokument(int Serienbriefnr, int Eintragnr)
+        {
+            DB db = new DB(AppParams.connectionstring);
+            db.Get_Tabledata("Select dbo.BinaryToBase64(dokument) from edex_sb_serienbrief_dokument where serienbriefnr=" + Serienbriefnr.ToString() + " and inteintragnr=" + Eintragnr.ToString(), false, true);
+                try
+            {
+
+                var stream = new MemoryStream(Convert.FromBase64String(db.dsdaten.Tables[0].Rows[0][0].ToString()));
+                if (stream.Length > 0)
+                {
+                    this.pdfViewerControl1.Load(stream);
+                    this.pdfViewerControl1.Visible = true;
+                }
+                else
+                {
+
+                }
+            }
+            catch { }
+            db = null;
+              
+
+        }
         private clsdok GetDoc(bool AsPDF, string dokumentid)
         {
             clsdok dok = new clsdok("", "", "");