diff --git a/packages/nc-gui-v2/components/smartsheet/Grid.vue b/packages/nc-gui-v2/components/smartsheet/Grid.vue
index 6b0172e0a2..f9294d87c3 100644
--- a/packages/nc-gui-v2/components/smartsheet/Grid.vue
+++ b/packages/nc-gui-v2/components/smartsheet/Grid.vue
@@ -60,6 +60,7 @@ const contextMenu = ref(false)
 const contextMenuTarget = ref(false)
 const expandedFormDlg = ref(false)
 const expandedFormRow = ref<Row>()
+const expandedFormRowState = ref<Record<string, any>>()
 
 const visibleColLength = $computed(() => fields.value?.length)
 
@@ -274,8 +275,9 @@ const onNavigate = (dir: NavigateDir) => {
   }
 }
 
-const expandForm = (row: Row) => {
+const expandForm = (row: Row, state: Record<string, any>) => {
   expandedFormRow.value = row
+  expandedFormRowState.value = state
   expandedFormDlg.value = true
 }
 </script>
@@ -330,6 +332,7 @@ const expandForm = (row: Row) => {
           </thead>
           <tbody>
             <SmartsheetRow v-for="(row, rowIndex) of data" :key="rowIndex" :row="row">
+              <template #default="{ state }">
               <tr class="nc-grid-row">
                 <td key="row-index" class="caption nc-grid-cell group">
                   <div class="flex items-center w-[80px]">
@@ -343,7 +346,7 @@ const expandForm = (row: Row) => {
                       <div class="cursor-pointer flex items-center border-1 active:ring rounded p-1 hover:bg-primary/10">
                         <MdiArrowExpand
                           class="select-none transform hover:(text-pink-500 scale-120)"
-                          @click="expandedFormDlg = true"
+                          @click="expandForm(row, state)"
                         />
                       </div>
                     </div>
@@ -389,6 +392,7 @@ const expandForm = (row: Row) => {
                   </div>
                 </td>
               </tr>
+              </template>
             </SmartsheetRow>
 
             <tr v-if="!isLocked">
@@ -427,7 +431,12 @@ const expandForm = (row: Row) => {
     </div>
 
     <SmartsheetPagination />
-    <SmartsheetExpandedForm v-if="expandedFormRow" v-model="expandedFormDlg" :row="expandedFormRow" />
+    <SmartsheetExpandedForm
+      v-if="expandedFormRow"
+      v-model="expandedFormDlg"
+      :row="expandedFormRow"
+      :state="expandedFormRowState"
+    />
   </div>
 </template>
 
diff --git a/packages/nc-gui-v2/components/smartsheet/Row.vue b/packages/nc-gui-v2/components/smartsheet/Row.vue
index 2775b1fe68..b96120b655 100644
--- a/packages/nc-gui-v2/components/smartsheet/Row.vue
+++ b/packages/nc-gui-v2/components/smartsheet/Row.vue
@@ -12,12 +12,19 @@ const emit = defineEmits(['expandForm', 'selectCell', 'updateOrSaveRow', 'naviga
 const row = toRef(props, 'row')
 
 const { meta } = useSmartsheetStoreOrThrow()
-const { isNew, state } = useProvideSmartsheetRowStore(meta, row)
-watch(row, () => {
-  state.value = {}
+const { isNew, state, syncLTARRefs } = useProvideSmartsheetRowStore(meta, row)
+
+// on changing isNew(new record insert) status sync LTAR cell values
+watch(isNew, async (nextVal, prevVal) => {
+  if (prevVal && !nextVal) {
+    await syncLTARRefs(row.value.row)
+    // update row values without invoking api
+    row.value.row = { ...row.value.row, ...state.value }
+    row.value.oldRow = { ...row.value.row, ...state.value }
+  }
 })
 </script>
 
 <template>
-  <slot />
+  <slot :state="state" />
 </template>
diff --git a/packages/nc-gui-v2/components/smartsheet/expanded-form/Header.vue b/packages/nc-gui-v2/components/smartsheet/expanded-form/Header.vue
index 236321daca..d559bacb81 100644
--- a/packages/nc-gui-v2/components/smartsheet/expanded-form/Header.vue
+++ b/packages/nc-gui-v2/components/smartsheet/expanded-form/Header.vue
@@ -1,12 +1,24 @@
 <script lang="ts" setup>
-import { computed, useExpandedFormStoreOrThrow, useSmartsheetStoreOrThrow, useUIPermission } from '#imports'
+import { computed, useSmartsheetStoreOrThrow, useUIPermission } from '#imports'
+import { useSmartsheetRowStoreOrThrow } from '~/composables/useSmartsheetRowStore'
+import { useExpandedFormStoreOrThrow } from '~/composables/useExpandedFormStore'
 import MdiDoorOpen from '~icons/mdi/door-open'
 import MdiDoorClosed from '~icons/mdi/door-closed'
 
 const { meta } = useSmartsheetStoreOrThrow()
-const { commentsDrawer, row, primaryValue, save } = useExpandedFormStoreOrThrow()
+const { commentsDrawer, row, primaryValue, save: _save } = useExpandedFormStoreOrThrow()
+const { isNew, syncLTARRefs } = useSmartsheetRowStoreOrThrow()
 const { isUIAllowed } = useUIPermission()
 
+const save = async () => {
+  if (isNew.value) {
+    const data = await _save()
+    await syncLTARRefs(data)
+  } else {
+    await _save()
+  }
+}
+
 const drawerToggleIcon = computed(() => (commentsDrawer.value ? MdiDoorOpen : MdiDoorClosed))
 
 // todo: accept as a prop / inject
diff --git a/packages/nc-gui-v2/components/smartsheet/expanded-form/index.vue b/packages/nc-gui-v2/components/smartsheet/expanded-form/index.vue
index 6ae6138697..c3f45ab26b 100644
--- a/packages/nc-gui-v2/components/smartsheet/expanded-form/index.vue
+++ b/packages/nc-gui-v2/components/smartsheet/expanded-form/index.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { isVirtualCol } from 'nocodb-sdk'
 import { useVModel } from '@vueuse/core'
-import { Ref, computed, provide, toRef } from 'vue'
+import { Ref, computed, provide, toRef, watch } from 'vue'
 import Comments from './Comments.vue'
 import Header from './Header.vue'
 import { useSmartsheetStoreOrThrow } from '~/composables'
@@ -12,12 +12,14 @@ import { FieldsInj, IsFormInj, MetaInj } from '~/context'
 interface Props {
   modelValue: string | null
   row: Row
+  state?: Record<string, any> | null
 }
 
 const props = defineProps<Props>()
 const emits = defineEmits(['update:modelValue'])
 const fields = inject(FieldsInj, ref([]))
 const row = toRef(props, 'row')
+const state = toRef(props, 'state')
 
 const { meta } = useSmartsheetStoreOrThrow()
 
@@ -26,7 +28,19 @@ provide(IsFormInj, true)
 // accept as a prop
 // const row: Row = { row: {}, rowMeta: {}, oldRow: {} }
 
-const { commentsDrawer, changedColumns } = useProvideExpandedFormStore(meta, row)
+const { commentsDrawer, changedColumns, state: rowState } = useProvideExpandedFormStore(meta, row)
+
+watch(
+  state,
+  () => {
+    if (state.value) {
+      rowState.value = state.value
+    } else {
+      rowState.value = {}
+    }
+  },
+  { immediate: true },
+)
 
 const isExpanded = useVModel(props, 'modelValue', emits)
 </script>
diff --git a/packages/nc-gui-v2/components/virtual-cell/components/ListChildItems.vue b/packages/nc-gui-v2/components/virtual-cell/components/ListChildItems.vue
index 091b0ec0fe..6544cc9794 100644
--- a/packages/nc-gui-v2/components/virtual-cell/components/ListChildItems.vue
+++ b/packages/nc-gui-v2/components/virtual-cell/components/ListChildItems.vue
@@ -60,7 +60,7 @@ const container = computed(() =>
 
         <MdiReload  v-if="!isForm" class="cursor-pointer text-gray-500" @click="loadChildrenList" />
 
-        <a-button type="primary" size="small" @click="emit('attachRecord')">
+        <a-button type="primary" class="!text-xs" size="small" @click="emit('attachRecord')">
           <div class="flex align-center gap-1">
             <MdiLinkVariantRemove class="text-xs text-white" @click="unlinkRow(row)" />
             Link to '{{ meta.title }}'
diff --git a/packages/nc-gui-v2/composables/useExpandedFormStore.ts b/packages/nc-gui-v2/composables/useExpandedFormStore.ts
index c6b9d2a9fa..db29be43ef 100644
--- a/packages/nc-gui-v2/composables/useExpandedFormStore.ts
+++ b/packages/nc-gui-v2/composables/useExpandedFormStore.ts
@@ -101,6 +101,7 @@ const [useProvideExpandedFormStore, useExpandedFormStore] = useInjectionState((m
   }
 
   const save = async () => {
+    let data;
     try {
       // todo:
       // if (this.presetValues) {
@@ -116,7 +117,7 @@ const [useProvideExpandedFormStore, useExpandedFormStore] = useInjectionState((m
       }, {} as Record<string, any>)
 
       if (row.value.rowMeta.new) {
-        const data = await $api.dbTableRow.create('noco', project.value.title as string, meta.value.title, updateOrInsertObj)
+         data = await $api.dbTableRow.create('noco', project.value.title as string, meta.value.title, updateOrInsertObj)
 
         /* todo:
            // save hasmany and manytomany relations from local state
@@ -127,7 +128,6 @@ const [useProvideExpandedFormStore, useExpandedFormStore] = useInjectionState((m
                 }
               }
             } */
-
         row.value = {
           row: data,
           rowMeta: {},
@@ -174,6 +174,7 @@ const [useProvideExpandedFormStore, useExpandedFormStore] = useInjectionState((m
       notification.error({ message: `Failed to update row`, description: await extractSdkResponseErrorMsg(e) })
     }
     $e('a:row-expand:add')
+    return data
   }
 
   return {
diff --git a/packages/nc-gui-v2/composables/useSmartsheetRowStore.ts b/packages/nc-gui-v2/composables/useSmartsheetRowStore.ts
index 20a5352596..49df3c57e2 100644
--- a/packages/nc-gui-v2/composables/useSmartsheetRowStore.ts
+++ b/packages/nc-gui-v2/composables/useSmartsheetRowStore.ts
@@ -1,10 +1,21 @@
-import type { ColumnType, TableType } from 'nocodb-sdk'
+import { notification } from 'ant-design-vue'
+import { UITypes } from 'nocodb-sdk'
+import type { ColumnType, LinkToAnotherRecordType, TableType } from 'nocodb-sdk'
 import type { Ref } from 'vue'
+import { useNuxtApp } from '#app'
 import { useInjectionState } from '#imports'
+import { useMetas } from '~/composables/useMetas'
+import { useProject } from '~/composables/useProject'
 import type { Row } from '~/composables/useViewData'
 import { useVirtualCell } from '~/composables/useVirtualCell'
+import { NOCO } from '~/lib'
+import { extractPkFromRow, extractSdkResponseErrorMsg } from '~/utils'
 
 const [useProvideSmartsheetRowStore, useSmartsheetRowStore] = useInjectionState((meta: Ref<TableType>, row: Ref<Row>) => {
+  const { $api } = useNuxtApp()
+  const { project } = useProject()
+  const { metas } = useMetas()
+
   // state
   const state = ref<Record<string, Record<string, any> | Record<string, any>[] | null>>({})
 
@@ -13,25 +24,75 @@ const [useProvideSmartsheetRowStore, useSmartsheetRowStore] = useInjectionState(
 
   // actions
   const addLTARRef = async (value: Record<string, any>, column: ColumnType) => {
-    const { isHm, isMm } = $(useVirtualCell(ref(column)))
+    const { isHm, isMm, isBt } = $(useVirtualCell(ref(column)))
     if (isHm || isMm) {
       state.value[column.title!] = state.value[column.title!] || []
       state.value[column.title!]!.push(value)
-    } else {
+    } else if (isBt) {
       state.value[column.title!] = value
     }
   }
 
   // actions
   const removeLTARRef = async (value: Record<string, any>, column: ColumnType) => {
-    const { isHm, isMm } = $(useVirtualCell(ref(column)))
+    const { isHm, isMm, isBt } = $(useVirtualCell(ref(column)))
     if (isHm || isMm) {
       state.value[column.title!]?.splice(state.value[column.title!]?.indexOf(value), 1)
-    } else {
+    } else if (isBt) {
       state.value[column.title!] = null
     }
   }
 
+  const linkRecord = async (rowId: string, relatedRowId: string, column: ColumnType, type) => {
+    try {
+      await $api.dbTableRow.nestedAdd(
+        NOCO,
+        project.value.title as string,
+        meta.value.title as string,
+        rowId,
+        type,
+        column.title as string,
+        relatedRowId,
+      )
+    } catch (e) {
+      notification.error({
+        message: 'Linking failed',
+        description: await extractSdkResponseErrorMsg(e),
+      })
+    }
+  }
+
+  /** sync LTAR relations kept in local state */
+  const syncLTARRefs = async (row: Record<string, any>) => {
+    const id = extractPkFromRow(row, meta.value.columns as ColumnType[])
+    for (const column of meta?.value?.columns ?? []) {
+      if (column.uidt !== UITypes.LinkToAnotherRecord) continue
+      const colOptions = column?.colOptions as LinkToAnotherRecordType
+
+      const { isHm, isMm, isBt } = $(useVirtualCell(ref(column)))
+      const relatedTableMeta = metas.value?.[colOptions?.fk_related_model_id as string]
+
+      if (isHm || isMm) {
+        const relatedRows = (state.value?.[column.title!] ?? []) as Record<string, any>[]
+        for (const relatedRow of relatedRows) {
+          await linkRecord(
+            id,
+            extractPkFromRow(relatedRow, relatedTableMeta.columns as ColumnType[]),
+            column,
+            colOptions.type,
+          )
+        }
+      } else if (isBt && state.value?.[column.title!]) {
+        await linkRecord(
+          id,
+          extractPkFromRow(state.value?.[column.title!], relatedTableMeta.columns as ColumnType[]),
+          column,
+          colOptions.type,
+        )
+      }
+    }
+  }
+
   return {
     row,
     state,
@@ -39,6 +100,7 @@ const [useProvideSmartsheetRowStore, useSmartsheetRowStore] = useInjectionState(
     // todo: use better name
     addLTARRef,
     removeLTARRef,
+    syncLTARRefs,
   }
 }, 'smartsheet-row-store')