海运出口 dosave 几个使用了trim的参数改为允许传入null，防止其它地方调用dosave时报错

DSWeb/Areas/MvcShipping/DAL/MsOpSeae/MsOpSeaeDAL.cs

@@ -2041,9 +2041,9 @@ namespace DSWeb.MvcShipping.DAL.MsOpSeaeDAL
 
 
 
-            headData.BSSOURCE = headData.BSSOURCE.Trim();
+            headData.BSSOURCE = headData.BSSOURCE==null?"": headData.BSSOURCE.Trim();
 
-            headData.MBLNO = headData.MBLNO.Trim();
+            headData.MBLNO = headData.MBLNO == null ? "": headData.MBLNO.Trim();
             headData.SHIPPER = FullWidthToHalfWidth(ToDBC(headData.SHIPPER));
             headData.SHIPPER = DelEndSpace2(headData.SHIPPER);
             headData.CONSIGNEE = FullWidthToHalfWidth(ToDBC(headData.CONSIGNEE));
@@ -2068,9 +2068,14 @@ namespace DSWeb.MvcShipping.DAL.MsOpSeaeDAL
             if (headData.KGS == "") headData.KGS = "0";
             if (headData.PKGS == "") headData.PKGS = "0";
             if (headData.CBM == "") headData.CBM = "0";
-            headData.SALE = headData.SALE.Trim();
+
+
+            headData.SALE = headData.SALE == null ? "" : headData.SALE.Trim();
+
             headData.CUSTSERVICE =  headData.CUSTSERVICE==null?"": headData.CUSTSERVICE.Trim();
-            headData.DOC = headData.DOC.Trim();
+
+            headData.DOC = headData.DOC == null ? "" : headData.DOC.Trim();
+
             headData.FRCUSTSERVICE = headData.FRCUSTSERVICE == null ? "" : headData.FRCUSTSERVICE.Trim();
             if (headData.CARGOID == "S" || string.IsNullOrEmpty(headData.CARGOID)) {
                 headData.DUNNO = "";