插入圖像插入使用C＃

Question

我試圖將圖像插入列數據類型blob

的卡桑德拉表時，同時將我的錯誤卡桑德拉斑點：

no variable alternative at input

ISession CluSession = cluster.Connect("dbs"); 
MemoryStream ms = new MemoryStream(); 
OpenFileDialog f = new OpenFileDialog(); 
f.InitialDirectory = @"H:\MobilePics_sufian\"; 
f.Filter = "All Files |*.*|JPEGs|*.jpg|Bitmaps|*.bmp|GIFs|*.gif"; 
      f.Multiselect = true; 

DialogResult dr = f.ShowDialog(); 
int i = 0; 
if (dr == System.Windows.Forms.DialogResult.OK) 
{ 
    foreach(string file in f.FileNames) 
    { 
    i = 1; 
    lstimage.Items.Add(file.ToString()); 
    FileStream fs = new FileStream(file.ToString(), FileMode.OpenOrCreate, FileAccess.Read); 
    byte[] MyData = new byte[fs.Length]; 
    fs.Read(MyData, 0, System.Convert.ToInt32(fs.Length)); 
    CluSession.Execute("insert into Product1(id,name,p_image) values (" + i + "," + "hello" + "," + MyData.ToArray() + ")"); 

    i = i + 1; 
    } 
    } 

Answer 1

使用參數化查詢，像（... values（？，？）...）並添加參數。你有你的查詢的方式，它將有值（1，「你好」，「陣列」）....（或類似）。

檢查文檔從這裏：https://github.com/datastax/csharp-driver