如何将字节数组分配到数据行列

问题描述

我想为datarow列分配一个字节数组...当我分配如下后，该值显示为System.Byte [] 而不是实际的字节数组...

Hi,

I want to assign a byte array to datarow column...When i assigned like following the value is showing as "System.Byte[]" instead of actual byte array...

row1 = dsDetail.Tables["table"].NewRow();

dsDetail.Tables["table"].Columns["logo"].DataType=System.Type.GetType("System.Byte[]");
 byte[] P = ImageToByteArray(a);
 row1["logo"] = P;


//function used to get byte array

  public byte[] ImageToByteArray(string imagepath)
        {

            FileStream fs;

            fs = new FileStream(imagepath, FileMode.Open, FileAccess.Read);

            //a byte array to read the image

            byte[] picbyte = new byte[fs.Length];

            fs.Read(picbyte, 0, System.Convert.ToInt32(fs.Length));

            fs.Close();

            return picbyte;
        }

推荐答案

DataTable dt = new DataTable();
            dt.Columns.Add("imageByte", typeof(byte[]));

            byte[] imageByte = null;
            imageByte=ImageToByteArray(Server.MapPath(@"\images\yourImage.png"));

            DataRow drNew = dt.NewRow();
            drNew["imageByte"] = imageByte;

            dt.Rows.Add(drNew);

谢谢

Rashed ::孟加拉国

thanks
Rashed::Bangladesh

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