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convert sql table to c# class

YOU.com answered on September 12, 2023 Popularity 6/10 Helpfulness 1/10

answer convert sql table to c# class

convert sql table to c# class

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using System;
using System.Data;
using System.Data.SqlClient;

public class SqlToCSharpConverter
{
    public static string ConvertSqlTableToCSharpClass(string tableName)
    {
        // The SQL connection string
        string connectionString = "Your_Connection_String";

        // Create the SQL connection
        using (SqlConnection connection = new SqlConnection(connectionString))
        {
            // Open the connection
            connection.Open();

            // Retrieve the table schema
            DataTable schemaTable = connection.GetSchema("Columns", new[] { null, null, tableName });

            // Create the class definition
            string classDefinition = $"public class {tableName}" + Environment.NewLine;
            
            classDefinition += "{" + Environment.NewLine;

            // Retrieve column names and types
            foreach (DataRow row in schemaTable.Rows)
            {
                string columnName = row["COLUMN_NAME"].ToString();
                string dataType = row["DATA_TYPE"].ToString();

                // Map SQL data types to C# data types
                string csharpDataType = MapSqlDataTypeToCSharp(dataType);

                // Append field declarations
                classDefinition += $"\tpublic {csharpDataType} {columnName} {{ get; set; }}" + Environment.NewLine;
            }

            classDefinition += "}";

            return classDefinition;
        }
    }

    private static string MapSqlDataTypeToCSharp(string dataType)
    {
        // Modify the type mappings as per your requirements
        switch (dataType.ToLower())
        {
            case "bigint":
                return "long";
            case "binary":
            case "image":
            case "timestamp":
            case "varbinary":
                return "byte[]";
            case "bit":
                return "bool";
            case "char":
            case "nchar":
            case "ntext":
            case "nvarchar":
            case "sysname":
            case "text":
            case "varchar":
                return "string";
            case "date":
            case "datetime":
            case "datetime2":
            case "smalldatetime":
                return "DateTime";
            case "datetimeoffset":
                return "DateTimeOffset";
            case "decimal":
            case "money":
            case "numeric":
            case "smallmoney":
                return "decimal";
            case "float":
                return "double";
            case "int":
                return "int";
            case "real":
                return "float";
            case "smallint":
                return "short";
            case "time":
                return "TimeSpan";
            case "tinyint":
                return "byte";
            case "uniqueidentifier":
                return "Guid";
            default:
                return "object";
        }
    }
}

Popularity 6/10 Helpfulness 1/10 Language csharp

Source: Grepper

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Contributed on Sep 12 2023

YOU.com

0 Answers Avg Quality 2/10

convert sql table to c# class

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