ES-832337- Add the sample Find-and-replace-merge-field-name

Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31911.196
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Find-and-replace-merge-field-name", "Find-and-replace-merge-field-name\Find-and-replace-merge-field-name.csproj", "{C17B90BC-F559-456B-B189-90B53FF6CDD4}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C17B90BC-F559-456B-B189-90B53FF6CDD4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C17B90BC-F559-456B-B189-90B53FF6CDD4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C17B90BC-F559-456B-B189-90B53FF6CDD4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C17B90BC-F559-456B-B189-90B53FF6CDD4}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {EF357FC6-E9E5-4E3C-B932-43F727BE1DE4}
+	EndGlobalSection
+EndGlobal

Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Find-and-replace-merge-field-name.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Find_and_replace_merge_field_name</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.DocIO.Net.Core" Version="*" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="Data\Template.docx">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="Output\.gitkeep">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Output/.gitkeep

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+

Find-and-Replace/Find-and-replace-merge-field-name/.NET/Find-and-replace-merge-field-name/Program.cs

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+using Syncfusion.DocIO;
+using Syncfusion.DocIO.DLS;
+using System.Collections.Generic;
+using System.IO;
+
+namespace Find_and_replace_merge_field_name
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            using (FileStream fileStreamPath = new FileStream(Path.GetFullPath(@"Data/Template.docx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+            {
+                // Opens the template Word document.
+                using (WordDocument document = new WordDocument(fileStreamPath, FormatType.Automatic))
+                {
+                    // Finds all merge fields in the document.
+                    List<Entity> mergeFields = document.FindAllItemsByProperty(EntityType.MergeField, null, null);
+                    // Replaces the merge field name "first_name" with "FirstName".
+                    ReplaceMergeFieldName("Forename", "FirstName", mergeFields);
+                    // Replaces the merge field name "last_name" with "LastName".
+                    ReplaceMergeFieldName("Surname", "LastName", mergeFields);
+                    // Creates a file stream to save the modified document.
+                    using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Result.docx"), FileMode.Create, FileAccess.ReadWrite))
+                    {
+                        // Saves the Word document to the file stream in DOCX format.
+                        document.Save(outputFileStream, FormatType.Docx);
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// Replaces the specified merge field name with a new name in the given list of merge fields.
+        /// </summary>
+        private static void ReplaceMergeFieldName(string nameToFind, string nameToReplace, List<Entity> mergeFields)
+        {
+            // Iterates through the list of merge fields.
+            foreach (Entity field in mergeFields)
+            {
+                // Checks if the current merge field matches the name to be replaced.
+                if ((field as WMergeField).FieldName == nameToFind)
+                {
+                    // Updates the merge field name to the new name.
+                    (field as WMergeField).FieldName = nameToReplace;
+                }
+            }
+        }
+    }
+}