Unified Exception Handling between Admin and Customer Portals to error message underneath the Login Button.

Author: yehiarasheed

WebApplication2/Customer/Pages/login.aspx

@@ -85,6 +85,12 @@
             text-decoration: underline;
         }
 
+        .error-message {
+            color: #6a11cb;
+            font-size: 14px;
+            margin-top: 10px;
+        }
+
         .customer-login-link {
             margin-top: 10px;  
             font-size: 17px;   
@@ -115,6 +121,9 @@
             <asp:Button ID="buttonlogin" runat="server" onclick="loginm" Text="Login" CssClass="login-button" />
             </div>
             <br />
+            <div>
+            <asp:Label ID="lblError" runat="server" CssClass="error-message"></asp:Label>
+            </div>
             <div class="customer-login-link">
                 Are you an admin? <a href="/Pages/Login/Login.aspx">Go to admin login</a>
     </form>

WebApplication2/Customer/Pages/login.aspx.cs

@@ -40,7 +40,8 @@ protected void loginm(object sender, EventArgs e)
             // Validate inputs
             if (string.IsNullOrEmpty(accountmn) || string.IsNullOrEmpty(pass))
             {
-                Response.Write("<script>alert('Please fill in all fields.');</script>");
+                lblError.Text = "Empty Fields found. Please fill in all fields.";
+                password.Text = "";
                 return;
             }
 
@@ -74,8 +75,8 @@ protected void loginm(object sender, EventArgs e)
                 }
                 else
                 {
-                    // Login failed
-                    Response.Write("<script>alert('Invalid mobile number or password.');</script>");
+                    lblError.Text = "These are invalid customer credentials. Please try again.";
+                    password.Text = "";
                 }
             }
             catch (Exception ex)

WebApplication2/Customer/Pages/login.aspx.designer.cs

@@ -23,7 +23,16 @@ protected void LoginButton(object sender, EventArgs e)
             }
             else
             {
-                lblError.Text = "These are not valid admin credentials. Please try again.";
+                if (string.IsNullOrEmpty(txtUsername.Value) || string.IsNullOrEmpty(txtPassword.Value))
+                {
+                    lblError.Text = "Empty Fields found. Please fill in all fields.";
+                    txtPassword.Value = "";
+                    return;
+                }
+                else
+                {
+                    lblError.Text = "These are invalid admin credentials. Please try again.";
+                }
             }
         }
     }

WebApplication2/Pages/Login/Login.aspx.cs

@@ -0,0 +1,113 @@
+{
+  "$schema": "https://schema.management.azure.com/schemas/2018-05-01/subscriptionDeploymentTemplate.json#",
+  "contentVersion": "1.0.0.0",
+  "metadata": {
+    "_dependencyType": "compute.appService.windows"
+  },
+  "parameters": {
+    "resourceGroupName": {
+      "type": "string",
+      "defaultValue": "TelecomAppRG",
+      "metadata": {
+        "description": "Name of the resource group for the resource. It is recommended to put resources under same resource group for better tracking."
+      }
+    },
+    "resourceGroupLocation": {
+      "type": "string",
+      "defaultValue": "germanywestcentral",
+      "metadata": {
+        "description": "Location of the resource group. Resource groups could have different location than resources, however by default we use API versions from latest hybrid profile which support all locations for resource types we support."
+      }
+    },
+    "resourceName": {
+      "type": "string",
+      "defaultValue": "telecom-customer-app",
+      "metadata": {
+        "description": "Name of the main resource to be created by this template."
+      }
+    },
+    "resourceLocation": {
+      "type": "string",
+      "defaultValue": "[parameters('resourceGroupLocation')]",
+      "metadata": {
+        "description": "Location of the resource. By default use resource group's location, unless the resource provider is not supported there."
+      }
+    }
+  },
+  "variables": {
+    "appServicePlan_name": "[concat('Plan', uniqueString(concat(parameters('resourceName'), subscription().subscriptionId)))]",
+    "appServicePlan_ResourceId": "[concat('/subscriptions/', subscription().subscriptionId, '/resourceGroups/', parameters('resourceGroupName'), '/providers/Microsoft.Web/serverFarms/', variables('appServicePlan_name'))]"
+  },
+  "resources": [
+    {
+      "type": "Microsoft.Resources/resourceGroups",
+      "name": "[parameters('resourceGroupName')]",
+      "location": "[parameters('resourceGroupLocation')]",
+      "apiVersion": "2019-10-01"
+    },
+    {
+      "type": "Microsoft.Resources/deployments",
+      "name": "[concat(parameters('resourceGroupName'), 'Deployment', uniqueString(concat(parameters('resourceName'), subscription().subscriptionId)))]",
+      "resourceGroup": "[parameters('resourceGroupName')]",
+      "apiVersion": "2019-10-01",
+      "dependsOn": [
+        "[parameters('resourceGroupName')]"
+      ],
+      "properties": {
+        "mode": "Incremental",
+        "template": {
+          "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
+          "contentVersion": "1.0.0.0",
+          "resources": [
+            {
+              "location": "[parameters('resourceLocation')]",
+              "name": "[parameters('resourceName')]",
+              "type": "Microsoft.Web/sites",
+              "apiVersion": "2015-08-01",
+              "tags": {
+                "[concat('hidden-related:', variables('appServicePlan_ResourceId'))]": "empty"
+              },
+              "dependsOn": [
+                "[variables('appServicePlan_ResourceId')]"
+              ],
+              "kind": "app",
+              "properties": {
+                "name": "[parameters('resourceName')]",
+                "kind": "app",
+                "httpsOnly": true,
+                "reserved": false,
+                "serverFarmId": "[variables('appServicePlan_ResourceId')]",
+                "siteConfig": {
+                  "metadata": [
+                    {
+                      "name": "CURRENT_STACK",
+                      "value": "dotnetcore"
+                    }
+                  ]
+                }
+              },
+              "identity": {
+                "type": "SystemAssigned"
+              }
+            },
+            {
+              "location": "[parameters('resourceLocation')]",
+              "name": "[variables('appServicePlan_name')]",
+              "type": "Microsoft.Web/serverFarms",
+              "apiVersion": "2015-08-01",
+              "sku": {
+                "name": "S1",
+                "tier": "Standard",
+                "family": "S",
+                "size": "S1"
+              },
+              "properties": {
+                "name": "[variables('appServicePlan_name')]"
+              }
+            }
+          ]
+        }
+      }
+    }
+  ]
+}