Friday, June 6, 2025

Fundamental unit of data

 Fundamental unit of data in computer is bit or binary digit  0, 1

how to convert byte array to image in asp.net

Byte[] bytes =  fileUpload1.FileBytes;

  MemoryStream m = new MemoryStream(bytes);

     System.Drawing.Image MyImage = System.Drawing.Image.FromStream(m);            

            string filepathandname = Server.MapPath(string.Format("~/uploads/{0}-{1}-{2}", DateTime.Now.ToShortDateString(), Guid.NewGuid(), ".png"));

            MyImage.Save(filepathandname);

Thursday, June 5, 2025

How to see or view a base 64 image file or image file in HTML page and how to see image file base 64 with URL

 <img src="data:image/png;base64,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

Sunday, June 1, 2025

Web api get post delete and put difference in apicontroller class

 public class ValuesController : ApiController

{


  //For get all data

    public IEnumerable<BookMaster> Get()

    {

           }

    

   

//For get by ID

    public void Get(int id)

    {

        }

        


    [HttpPost] // insert or add or create new

    public string Post([FromBody]string value)

    {

        return value;

    }


    // PUT api/<controller>/5    update

        public void Put(BookMaster bookMaster) 

    {    

    }


    // DELETE api/<controller>/5

    [HttpDelete]

    public void Delete(int id)

    {

    }