diff --git a/Core/API/Parameter/Parameter.class.php b/Core/API/Parameter/Parameter.class.php
index a85e93a..3b1afe7 100644
--- a/Core/API/Parameter/Parameter.class.php
+++ b/Core/API/Parameter/Parameter.class.php
@@ -100,14 +100,14 @@ class Parameter {
     return $str;
   }
 
-  public static function parseType($value): int {
+  public static function parseType(mixed $value, bool $strict = false): int {
     if (is_array($value))
       return Parameter::TYPE_ARRAY;
-    else if (is_numeric($value) && intval($value) == $value)
+    else if (is_int($value) || (!$strict && is_numeric($value) && intval($value) == $value))
       return Parameter::TYPE_INT;
-    else if (is_float($value) || (is_numeric($value) && floatval($value) == $value))
+    else if (is_float($value) || (!$strict && is_numeric($value) && floatval($value) == $value))
       return Parameter::TYPE_FLOAT;
-    else if (is_bool($value) || $value == "true" || $value == "false")
+    else if (is_bool($value) || (!$strict && ($value == "true" || $value == "false")))
       return Parameter::TYPE_BOOLEAN;
     else if (is_a($value, 'DateTime'))
       return Parameter::TYPE_DATE_TIME;
diff --git a/Core/Driver/SQL/MySQL.class.php b/Core/Driver/SQL/MySQL.class.php
index 0ffa581..ba9fd71 100644
--- a/Core/Driver/SQL/MySQL.class.php
+++ b/Core/Driver/SQL/MySQL.class.php
@@ -91,7 +91,7 @@ class MySQL extends SQL {
   private function getPreparedParams($values): array {
     $sqlParams = array('');
     foreach ($values as $value) {
-      $paramType = Parameter::parseType($value);
+      $paramType = Parameter::parseType($value, true);  // TODO: is strict type checking really correct here?
       switch ($paramType) {
         case Parameter::TYPE_BOOLEAN:
           $value = $value ? 1 : 0;
diff --git a/Core/Objects/DatabaseEntity/Controller/DatabaseEntityHandler.php b/Core/Objects/DatabaseEntity/Controller/DatabaseEntityHandler.php
index 8b4532f..9f31b92 100644
--- a/Core/Objects/DatabaseEntity/Controller/DatabaseEntityHandler.php
+++ b/Core/Objects/DatabaseEntity/Controller/DatabaseEntityHandler.php
@@ -342,7 +342,9 @@ class DatabaseEntityHandler implements Persistable {
 
     $value = $row[$columnName];
     if ($column instanceof DateTimeColumn) {
-      $value = new \DateTime($value);
+      if ($value !== null) {
+        $value = new \DateTime($value);
+      }
     } else if ($column instanceof JsonColumn) {
       $value = json_decode($value, true);
     } else if (isset($this->relations[$propertyName])) {
diff --git a/Core/Objects/DatabaseEntity/Controller/DatabaseEntityQuery.class.php b/Core/Objects/DatabaseEntity/Controller/DatabaseEntityQuery.class.php
index 051d8ed..f8b50ec 100644
--- a/Core/Objects/DatabaseEntity/Controller/DatabaseEntityQuery.class.php
+++ b/Core/Objects/DatabaseEntity/Controller/DatabaseEntityQuery.class.php
@@ -138,7 +138,7 @@ class DatabaseEntityQuery extends Select {
     }
   }
 
-  public function execute(): DatabaseEntity|array|null {
+  public function execute(): DatabaseEntity|array|null|false {
 
     if ($this->logVerbose) {
       $params = [];
@@ -148,7 +148,7 @@ class DatabaseEntityQuery extends Select {
 
     $res = parent::execute();
     if ($res === null || $res === false) {
-      return null;
+      return $res;
     }
 
     if ($this->resultType === SQL::FETCH_ALL) {
diff --git a/react/shared/api.js b/react/shared/api.js
index 0088234..2e75552 100644
--- a/react/shared/api.js
+++ b/react/shared/api.js
@@ -281,7 +281,7 @@ export default class API {
 
     /** ApiKeyAPI **/
     async getApiKeys(showActiveOnly = false, page = 1, count = 25, orderBy = "validUntil", sortOrder = "desc") {
-        return this.apiCall("apiKey/fetch", { showActiveOnly: showActiveOnly, pageNum: page, count: count, orderBy: orderBy, sortOrder: sortOrder });
+        return this.apiCall("apiKey/fetch", { showActiveOnly: showActiveOnly, page: page, count: count, orderBy: orderBy, sortOrder: sortOrder });
     }
 
     async createApiKey() {
diff --git a/react/shared/elements/data-table.js b/react/shared/elements/data-table.js
index ca52b5f..59673ef 100644
--- a/react/shared/elements/data-table.js
+++ b/react/shared/elements/data-table.js
@@ -6,7 +6,7 @@ import "./data-table.css";
 import {LocaleContext} from "../locale";
 import clsx from "clsx";
 import {Box, IconButton} from "@mui/material";
-import {formatDateTime} from "../util";
+import {formatDate, formatDateTime} from "../util";
 import CachedIcon from "@material-ui/icons/Cached";
 
 
@@ -23,31 +23,35 @@ export function DataTable(props) {
     const [doFetchData, setFetchData] = useState(false);
     const [sortAscending, setSortAscending] = useState(["asc","ascending"].includes(defaultSortOrder?.toLowerCase));
     const [sortColumn, setSortColumn] = useState(defaultSortColumn || null);
-    const sortable = props.hasOwnProperty("sortable") ? !!props.sortable : true;
+    const sortable = !!fetchData && (props.hasOwnProperty("sortable") ? !!props.sortable : true);
     const onRowClick = onClick || (() => {});
 
     const onFetchData = useCallback((force = false) => {
-        if (doFetchData || force) {
-            setFetchData(false);
-            const orderBy = columns[sortColumn]?.field || null;
-            const sortOrder = sortAscending ? "asc" : "desc";
-            fetchData(pagination.getPage(), pagination.getPageSize(), orderBy, sortOrder);
+        if (fetchData) {
+            if (doFetchData || force) {
+                setFetchData(false);
+                const orderBy = columns[sortColumn]?.field || null;
+                const sortOrder = sortAscending ? "asc" : "desc";
+                fetchData(pagination.getPage(), pagination.getPageSize(), orderBy, sortOrder);
+            }
         }
-    }, [doFetchData, columns, sortColumn, sortAscending, pagination]);
+    }, [fetchData, doFetchData, columns, sortColumn, sortAscending, pagination]);
 
     // pagination changed?
     useEffect(() => {
-        let forceFetch = false;
-        if (pagination.getPageSize() < pagination.getTotal()) {
-            // page size is smaller than the total count
-            forceFetch = true;
-        } else if (data?.length && pagination.getPageSize() >= data.length && data.length < pagination.getTotal()) {
-            // page size is greater than the current visible count but there were hidden rows before
-            forceFetch = true;
-        }
+        if (pagination) {
+            let forceFetch = false;
+            if (pagination.getPageSize() < pagination.getTotal()) {
+                // page size is smaller than the total count
+                forceFetch = true;
+            } else if (data?.length && pagination.getPageSize() >= data.length && data.length < pagination.getTotal()) {
+                // page size is greater than the current visible count but there were hidden rows before
+                forceFetch = true;
+            }
 
-        onFetchData(forceFetch);
-    }, [pagination.data.pageSize, pagination.data.current]);
+            onFetchData(forceFetch);
+        }
+    }, [pagination?.data?.pageSize, pagination?.data?.current]);
 
     // sorting changed
     useEffect(() => {
@@ -112,12 +116,17 @@ export function DataTable(props) {
     }
 
     return <Box position={"relative"}>
-            <h3>
-                <IconButton onClick={() => onFetchData(true)}>
-                    <CachedIcon/>
-                </IconButton>
-                {title}
-            </h3>
+            {title ?
+                <h3>
+                    {fetchData ?
+                        <IconButton onClick={() => onFetchData(true)}>
+                            <CachedIcon/>
+                        </IconButton>
+                        : <></>
+                    }
+                    {title}
+                </h3> : <></>
+            }
             <Table className={clsx("data-table", className)} size="small" {...other}>
                 <TableHead>
                     <TableRow>
@@ -128,7 +137,7 @@ export function DataTable(props) {
                     { rows }
                 </TableBody>
             </Table>
-        {pagination.renderPagination(L, numRows)}
+        {pagination && pagination.renderPagination(L, numRows)}
     </Box>
 }
 
@@ -210,6 +219,17 @@ export class DateTimeColumn extends DataColumn {
     }
 }
 
+export class DateColumn extends DataColumn {
+    constructor(label, field = null, params = {}) {
+        super(label, field, params);
+    }
+
+    renderData(L, entry, index) {
+        let date = super.renderData(L, entry);
+        return formatDate(L, date);
+    }
+}
+
 export class BoolColumn extends DataColumn {
     constructor(label, field = null, params = {}) {
         super(label, field, params);
diff --git a/react/shared/elements/dialog.jsx b/react/shared/elements/dialog.jsx
index c126617..4144210 100644
--- a/react/shared/elements/dialog.jsx
+++ b/react/shared/elements/dialog.jsx
@@ -1,4 +1,4 @@
-import React, {useState} from "react";
+import React, {useEffect, useState} from "react";
 import {
     Box,
     Button,
@@ -20,11 +20,21 @@ export default function Dialog(props) {
 
     const [inputData, setInputData] = useState({});
 
+    useEffect(() => {
+        if (props.inputs) {
+            let initialData = {};
+            for (const input of props.inputs) {
+                initialData[input.name] = input.value || "";
+            }
+            setInputData(initialData);
+        }
+    }, [props.inputs]);
+
     let buttons = [];
     for (const [index, name] of options.entries()) {
         buttons.push(
             <Button variant={"outlined"} size={"small"} key={"button-" + name}
-                    onClick={() => { onClose(); onOption(index, inputData); }}>
+                    onClick={() => { onClose(); onOption(index, inputData); setInputData({}); }}>
                 {name}
             </Button>
         )
@@ -40,6 +50,7 @@ export default function Dialog(props) {
             case 'text':
                 inputElements.push(<TextField
                     {...inputProps}
+                    sx={{marginTop: 1}}
                     size={"small"} fullWidth={true}
                     key={"input-" + input.name}
                     value={inputData[input.name] || ""}
diff --git a/react/shared/hooks/async-search.js b/react/shared/hooks/async-search.js
new file mode 100644
index 0000000..fda790d
--- /dev/null
+++ b/react/shared/hooks/async-search.js
@@ -0,0 +1,21 @@
+import {useEffect, useState} from "react";
+
+
+export default function useAsyncSearch(callback, minLength = 1) {
+
+    const [searchString, setSearchString] = useState("");
+    const [results, setResults] = useState(null);
+
+    useEffect(() => {
+        if (!searchString || searchString.length < minLength) {
+            setResults([]);
+            return;
+        }
+
+        callback(searchString).then(results => {
+            setResults(results || null);
+        });
+    }, [searchString]);
+
+    return [searchString, setSearchString, results];
+}
\ No newline at end of file