我想在我的SQL Server數據庫中存儲圖像,我應該使用哪種數據類型?我可以使用varbinary類型將圖像存儲在SQL Server數據庫中嗎?
在下面的code aspx.cs
,我試圖從請求輸入流中讀取所有字節並將其存儲在數據庫中,但byte[]
數組在表中未正確更新。我錯過了什麼嗎?
protected void Page_Load(object sender, EventArgs e)
{
Request.InputStream.Position = 0;
byte[] Contents = new byte[Request.InputStream.Length];
Request.InputStream.Read(Contents, 0, (int)Request.InputStream.Length);
con.Open();
try
{
string query = "update tblImageUpload set " + IMAGE_ID + " = @imageBytes where Image_ID='" + CID + "'";
int i = 0;
using (cmd = new SqlCommand(query, con))
{
cmd.Parameters.Add("@imageBytes", SqlDbType.VarBinary, Contents.Length).Value = Contents;
i = cmd.ExecuteNonQuery();
}
Response.Write("Upload Query = " + query);
Response.Write("Upload Code = " + i);
} catch (Exception ex) {
Response.Write("Upload Code=" + ex);
}
'你可以用VARBINARY(最大)'對不起錯字 – MethodMan 2013-03-26 19:33:11