Added Kb Samples

Use Cases/Multiple dependent dropdown/NET Standard/Multiple dependent dropdown/Multiple dependent dropdown.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.9.34310.174
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Multiple dependent dropdown", "Multiple dependent dropdown\Multiple dependent dropdown.csproj", "{F83D925D-7DC9-4462-B424-010AE9A1B411}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F83D925D-7DC9-4462-B424-010AE9A1B411}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F83D925D-7DC9-4462-B424-010AE9A1B411}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F83D925D-7DC9-4462-B424-010AE9A1B411}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F83D925D-7DC9-4462-B424-010AE9A1B411}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {9BBF736E-F406-436F-BB79-D1406337F6F1}
+	EndGlobalSection
+EndGlobal

Use Cases/Multiple dependent dropdown/NET Standard/Multiple dependent dropdown/Multiple dependent dropdown/Multiple dependent dropdown.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Multiple_dependent_dropdown</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.XlsIO.Net.Core" Version="26.1.40" />
+  </ItemGroup>
+
+</Project>

Use Cases/Multiple dependent dropdown/NET Standard/Multiple dependent dropdown/Multiple dependent dropdown/Program.cs

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+using Syncfusion.Office;
+using Syncfusion.XlsIO;
+using System.Data.Common;
+
+namespace Mulitple_depenedent_dropdown
+{
+    class Program
+    {
+        public static void Main(string[] args)
+        {
+            using (ExcelEngine excelEngine = new ExcelEngine())
+            {
+                IApplication application = excelEngine.Excel;
+                application.DefaultVersion = ExcelVersion.Xlsx;
+                FileStream inputStream = new FileStream("../../../Data/InputTemplate.xlsx", FileMode.Open, FileAccess.Read);
+                IWorkbook workbook = application.Workbooks.Open(inputStream);
+                IWorksheet worksheet = workbook.Worksheets[0];
+
+                //Set name range
+                IName name1 = workbook.Names.Add("Country");
+                name1.RefersToRange = worksheet.Range["A2:A5"];
+
+                IName name2 = workbook.Names.Add("India");
+                name2.RefersToRange = worksheet.Range["B2:B6"];
+
+                IName name3 = workbook.Names.Add("Brazil");
+                name3.RefersToRange = worksheet.Range["B7:B10"];
+
+                IName name4 = workbook.Names.Add("Australia");
+                name4.RefersToRange = worksheet.Range["B11:B13"];
+
+                IName name5 = workbook.Names.Add("USA");
+                name5.RefersToRange = worksheet.Range["B14:B16"];
+
+                worksheet.Range["E1"].Text = "Country";
+                worksheet.Range["E1"].CellStyle.Font.Bold = true;
+
+                //Data validation in E2 
+                IDataValidation validation = worksheet.Range["E2"].DataValidation;
+                validation.AllowType = ExcelDataType.User;
+                validation.FirstFormula = "=Country";
+
+                //Shows the error message
+                validation.ErrorBoxText = "Enter the valid country";
+                validation.ErrorBoxTitle = "ERROR";
+                validation.PromptBoxText = "Enter the country";
+                validation.ShowPromptBox = true;
+
+                worksheet.Range["F1"].Text = "States";
+                worksheet.Range["F1"].CellStyle.Font.Bold = true;
+
+                //Data validation in F2
+                IDataValidation validation2 = worksheet.Range["F2"].DataValidation;
+                validation2.AllowType = ExcelDataType.User;
+                validation2.FirstFormula = "=Indirect(E2)";
+
+                //Shows the error message
+                validation2.ErrorBoxText = "Enter the valid states";
+                validation2.ErrorBoxTitle = "ERROR";
+                validation2.PromptBoxText = "Enter the state";
+                validation2.ShowPromptBox = true;
+
+                //Creating Vba project
+                IVbaProject project = workbook.VbaProject;
+
+                //Accessing vba modules collection
+                IVbaModules vbaModules = project.Modules;
+
+                //Accessing sheet module
+                IVbaModule vbaModule = vbaModules[worksheet.CodeName];
+
+                //Adding vba code to the module
+                vbaModule.Code = @"Private Sub Worksheet_Change(ByVal Target As Range)
+                    Dim rngDropdown As Range
+                    Dim oldValue As String
+                    Dim newValue As String
+                    Dim DelimiterType As String
+                    DelimiterType = "", "" ' Assuming you want to use a comma followed by a space as the delimiter
+
+                    If Target.Count > 1 Then Exit Sub
+                    On Error Resume Next
+                    If Target.Column <> 5 And Target.Column <> 6 Then GoTo exitError
+                    Set rngDropdown = Cells.SpecialCells(xlCellTypeAllValidation)
+                    On Error GoTo exitError
+                    If rngDropdown Is Nothing Then GoTo exitError
+                    If Intersect(Target, rngDropdown) Is Nothing Then
+                        ' Do nothing for non-dropdown cells
+                    Else
+                        Application.EnableEvents = False
+                        newValue = Target.Value
+                        Application.Undo
+                        oldValue = Target.Value
+                        Target.Value = newValue
+
+                        ' Check if the change was in E2 and clear F2
+                        If Target.Address = ""$E$2"" Then
+                            Range(""F2"").ClearContents
+                        ElseIf Target.Address = ""$F$2"" Then
+                            ' Append new value to F2 with the delimiter if F2 is not empty
+                            If oldValue <> """" Then
+                                If newValue <> """" Then
+                                    If oldValue = newValue Or _
+                                       InStr(1, oldValue, DelimiterType & newValue) > 0 Or _
+                                       InStr(1, oldValue, newValue & DelimiterType) > 0 Then
+                                        ' Do nothing if the new value is the same or already exists
+                                    Else
+                                        ' Append the new value with the delimiter
+                                        Target.Value = oldValue & DelimiterType & newValue
+                                    End If
+                                End If
+                            Else
+                                ' Set F2 directly to the new value if it's empty
+                                Target.Value = newValue
+                            End If
+                        End If
+
+                        ' Re-enable events after handling the change
+                        Application.EnableEvents = True
+                    End If
+                exitError:
+                    Application.EnableEvents = True
+                End Sub
+
+                Private Sub Worksheet_SelectionChange(ByVal Target As Range)
+                End Sub";
+
+                //Saving the workbook as stream
+                FileStream stream = new FileStream("Output.xlsm", FileMode.Create, FileAccess.ReadWrite);
+                workbook.SaveAs(stream);
+
+                System.Diagnostics.Process process = new System.Diagnostics.Process();
+                process.StartInfo = new System.Diagnostics.ProcessStartInfo("Output.xlsm")
+                {
+                    UseShellExecute = true
+                };
+                process.Start();
+            }
+        }
+    }
+}

Use Cases/Read Excel using SFUploader/NET Standard/Read Excel using SFUploader/Read Excel using SFUploader.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.9.34310.174
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Read Excel using SFUploader", "Read Excel using SFUploader\Read Excel using SFUploader.csproj", "{DCE0DD47-3BDA-4B5D-AFBA-2AA9E8C9F63B}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{DCE0DD47-3BDA-4B5D-AFBA-2AA9E8C9F63B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DCE0DD47-3BDA-4B5D-AFBA-2AA9E8C9F63B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DCE0DD47-3BDA-4B5D-AFBA-2AA9E8C9F63B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DCE0DD47-3BDA-4B5D-AFBA-2AA9E8C9F63B}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {2B3C60C4-7E9C-4A93-B0CE-EC92D6A0CA55}
+	EndGlobalSection
+EndGlobal

Use Cases/Read Excel using SFUploader/NET Standard/Read Excel using SFUploader/Read Excel using SFUploader/App.razor

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+<Router AppAssembly="@typeof(App).Assembly">
+    <Found Context="routeData">
+        <RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
+        <FocusOnNavigate RouteData="@routeData" Selector="h1" />
+    </Found>
+    <NotFound>
+        <PageTitle>Not found</PageTitle>
+        <LayoutView Layout="@typeof(MainLayout)">
+            <p role="alert">Sorry, there's nothing at this address.</p>
+        </LayoutView>
+    </NotFound>
+</Router>

Use Cases/Read Excel using SFUploader/NET Standard/Read Excel using SFUploader/Read Excel using SFUploader/FileUtils.cs

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+using Microsoft.JSInterop;
+
+namespace Read_Excel_using_SFUploader
+{
+    public static class FileUtils
+    {
+        public static ValueTask<object> SaveAs(this IJSRuntime js, string filename, byte[] data)
+            => js.InvokeAsync<object>(
+               "saveAsFile",
+               filename,
+               Convert.ToBase64String(data));
+    }
+}

Use Cases/Read Excel using SFUploader/NET Standard/Read Excel using SFUploader/Read Excel using SFUploader/Layout/MainLayout.razor

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+@inherits LayoutComponentBase
+<div class="page">
+    <div class="sidebar">
+        <NavMenu />
+    </div>
+
+    <main>
+        <div class="top-row px-4">
+            <a href="https://learn.microsoft.com/aspnet/core/" target="_blank">About</a>
+        </div>
+
+        <article class="content px-4">
+            @Body
+        </article>
+    </main>
+</div>

Use Cases/Read Excel using SFUploader/NET Standard/Read Excel using SFUploader/Read Excel using SFUploader/Layout/MainLayout.razor.css

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+.page {
+    position: relative;
+    display: flex;
+    flex-direction: column;
+}
+
+main {
+    flex: 1;
+}
+
+.sidebar {
+    background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%);
+}
+
+.top-row {
+    background-color: #f7f7f7;
+    border-bottom: 1px solid #d6d5d5;
+    justify-content: flex-end;
+    height: 3.5rem;
+    display: flex;
+    align-items: center;
+}
+
+    .top-row ::deep a, .top-row ::deep .btn-link {
+        white-space: nowrap;
+        margin-left: 1.5rem;
+        text-decoration: none;
+    }
+
+    .top-row ::deep a:hover, .top-row ::deep .btn-link:hover {
+        text-decoration: underline;
+    }
+
+    .top-row ::deep a:first-child {
+        overflow: hidden;
+        text-overflow: ellipsis;
+    }
+
+@media (max-width: 640.98px) {
+    .top-row {
+        justify-content: space-between;
+    }
+
+    .top-row ::deep a, .top-row ::deep .btn-link {
+        margin-left: 0;
+    }
+}
+
+@media (min-width: 641px) {
+    .page {
+        flex-direction: row;
+    }
+
+    .sidebar {
+        width: 250px;
+        height: 100vh;
+        position: sticky;
+        top: 0;
+    }
+
+    .top-row {
+        position: sticky;
+        top: 0;
+        z-index: 1;
+    }
+
+    .top-row.auth ::deep a:first-child {
+        flex: 1;
+        text-align: right;
+        width: 0;
+    }
+
+    .top-row, article {
+        padding-left: 2rem !important;
+        padding-right: 1.5rem !important;
+    }
+}

Use Cases/Read Excel using SFUploader/NET Standard/Read Excel using SFUploader/Read Excel using SFUploader/Layout/NavMenu.razor

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+<div class="top-row ps-3 navbar navbar-dark">
+    <div class="container-fluid">
+        <a class="navbar-brand" href="">Read Excel using SFUploader</a>
+        <button title="Navigation menu" class="navbar-toggler" @onclick="ToggleNavMenu">
+            <span class="navbar-toggler-icon"></span>
+        </button>
+    </div>
+</div>
+
+<div class="@NavMenuCssClass nav-scrollable" @onclick="ToggleNavMenu">
+    <nav class="flex-column">
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="" Match="NavLinkMatch.All">
+                <span class="bi bi-house-door-fill-nav-menu" aria-hidden="true"></span> Home
+            </NavLink>
+        </div>
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="counter">
+                <span class="bi bi-plus-square-fill-nav-menu" aria-hidden="true"></span> Counter
+            </NavLink>
+        </div>
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="weather">
+                <span class="bi bi-list-nested-nav-menu" aria-hidden="true"></span> Weather
+            </NavLink>
+        </div>
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="Excel">
+                <span class="oi oi-list-rich" aria-hidden="true"></span> Excel
+            </NavLink>
+        </div>
+
+    </nav>
+</div>
+
+@code {
+    private bool collapseNavMenu = true;
+
+    private string? NavMenuCssClass => collapseNavMenu ? "collapse" : null;
+
+    private void ToggleNavMenu()
+    {
+        collapseNavMenu = !collapseNavMenu;
+    }
+}