update 20250416

Database/db.cs

@@ -1539,7 +1539,7 @@ namespace Database
                 string filename = temppath + serienbriefnr.ToString() + ".xml";
                 //filename = temppath + "sbbase1.xml";
                 //serienbriefnr = -1;
-                empf.WriteXml(filename);
+                empf.WriteXml(filename, XmlWriteMode.WriteSchema);
 
 
                 SqlConnection Connection = new SqlConnection();
@@ -1759,7 +1759,7 @@ namespace Database
             tdt.Columns.Add("BLKunde");
 
             DataRow[] dv;
-
+            sb.dsempfaenger.Tables[0].AcceptChanges();
             dv = sb.dsempfaenger.Tables[0].Select();
             i = 0;