first part

Author: Natalia Kazakova (DevExpress)

dashboard-for-desktop/articles/dashboard-designer/data-analysis/using-dashboard-parameters/creating-parameters.md

@@ -69,8 +69,11 @@ Note that this option is in effect when **Allow Multiselect** is enabled.
 Specifies the parameter type.
 
 The following types are available:
+
 * String
 * Date
+* Time
+* Date and Time
 * Number (16-bit integer)
 * Number (32-bit integer)
 * Number (64-bit integer)

dashboard-for-web/articles/web-dashboard-designer-mode/data-analysis/dashboard-parameters/creating-parameters.md

@@ -14,7 +14,7 @@ To create a dashboard parameter, follow the steps below.
 1. Invoke the [dashboard menu](../../ui-elements/dashboard-menu.md) and select **Parameters**.
 2. In the **Parameter List**, click the **Add** button. The parameter's settings form appears as follows:
 
-	![Web Dashboard - Add a New Dashboard Parameter](../../../../images/img126106.png)
+	![Web Dashboard - Add a New Dashboard Parameter](~/dashboard-for-web/images/img126106.png)
 
 3. Specify the parameter's settings. 
 
@@ -36,7 +36,7 @@ When you create and modify parameter names, follow the rules below:
 
 Specifies the parameter description displayed in the **Parameter** column of the [Dashboard Parameters](requesting-parameter-values.md) dialog:
 
-![Dashboard Parameter with Description](../../../../images/dashboard-parameter-description.png)
+![Dashboard Parameter with Description](~/dashboard-for-web/images/dashboard-parameter-description.png)
 
 ### Visible
 
@@ -67,6 +67,8 @@ The following types are available:
 
 * String
 * Date
+* Time
+* Date and Time
 * Number (16-bit integer)
 * Number (32-bit integer)
 * Number (64-bit integer)
@@ -116,3 +118,14 @@ You can specify a data source as a source for dashboard parameter values. To pro
 >[!NOTE]
 >You cannot use an OLAP data source as the data source for a dashboard parameter.
 
+## Request Parameter Values before Data Loading
+
+You can display a Dashboard Parameters window at startup and prompt a user to input parameter values before a dashboard loads and aggregates data. Dashboard items display the following message to guide users: "Waiting for Parameter Values…".
+
+![dashboard-parameter-request-before-loading](~/dashboard-for-web/images/dashboard-parameter-request-before-loading.png)
+
+The Web Dashboard control loads data only after the user submits all visible parameters. This operation mode prevents unnecessary data requests and ensures the dashboard fetches only data the user actually needs.
+
+To activate this mode, open the [dashboard menu](../../ui-elements/dashboard-menu.md), switch to the **Parameters** page, and select the following checkbox: **Request Parameter Values before Data Loading**. The setting value is saved in the dashboard XML definition.
+
+If a user changes this option at runtime, they need to initiate a data reload. The dashboard displays a Dashboard Parameters pop-up before it fetches data.

dashboard-for-web/articles/web-dashboard-designer-mode/save-a-dashboard.md

@@ -7,13 +7,13 @@ legacyId: 117715
 The Web Dashboard provides the capability to save a dashboard definition (dashboard items, data source, data binding and layout settings, etc.) to an XML definition. This can be accomplished in the following ways.
 * You can save the dashboard definition manually. For this, open the [dashboard menu](ui-elements/dashboard-menu.md) and click **Save**.
 
-	![wdd-save-dashboard](../../images/img122631.png)
+	![wdd-save-dashboard](~/dashboard-for-web/images/img122631.png)
 
 	The following message indicates that you have successfully saved the dashboard.
 
-	![wdd-dashboard-saved-message](../../images/img125564.png)
+	![wdd-dashboard-saved-message](~/dashboard-for-web/images/img125564.png)
 * The dashboard definition can be saved when the currently opened dashboard is closed (for instance, the page containing the Web Dashboard is closed, a new dashboard is created or a different dashboard is [opened](open-a-dashboard.md)). By default, a save confirmation dialog will be invoked.
 
-	![wdd-save-chages-confirm-dialog](../../images/img125634.png)
+	![wdd-save-chages-confirm-dialog](~/dashboard-for-web/images/img125634.png)
 
 To learn how to open the saved dashboard, see [Open a Dashboard](open-a-dashboard.md).

dashboard-for-web/articles/web-dashboard-viewer-mode/dashboard-parameters/requesting-parameter-values.md

@@ -10,4 +10,14 @@ To invoke the **Dashboard Parameters** dialog, click the **Parameters** button (
 
 ![Parameters_DashboardParametersDialog_Web](../../../images/img21818.png)
 
-Select the required parameter values and click the **Submit** button to apply the changes. To reset changes to the default values, click the **Reset** button.
+Select the required parameter values and click the **Submit** button to apply the changes. To reset changes to the default values, click the **Reset** button.
+
+## Request Parameter Values before Data Loading
+
+If you see a Dashboard Parameters window at startup, you need to input parameter values before a dashboard loads and aggregates data. Dashboard items display the following message: "Waiting for Parameter Values…".
+
+![dashboard-parameter-request-before-loading](~/dashboard-for-web/images/dashboard-parameter-request-before-loading.png)
+
+The Web Dashboard control loads data only after you submit all visible parameters. The dashboard displays a Dashboard Parameters pop-up before it fetches data. This operation mode prevents unnecessary data requests and ensures the dashboard fetches only data you actually need. 
+
+To change this mode, open the [dashboard menu](../../web-dashboard-designer-mode/ui-elements/dashboard-menu.md) in Designer Mode, switch to the **Parameters** page, and use the following checkbox: **Request Parameter Values before Data Loading**. The setting value is saved in the dashboard XML definition.