[英]How to convert type 'byte[]' to 'System.Data.Linq.Binary'
我的數據庫中有一個WorkflowInstances表,其中包含以下字段:ID(int),Name(nvarchar(50),WorkflowID(int), Document(varbinary(MAX) ))。 我想插入一個新的WorkflowInstance,所以我寫了這段代碼
Stream myStream = openFileDialogDoc.OpenFile();
if (myStream != null)
{
using (myStream)
{
WorkflowInstance w = new WorkflowInstance();
byte[] bytes = new byte[myStream.Length];
myStream.Read(bytes, 0, (int)myStream.Length);
w.ID = repository.WorkflowsRepository.GetMaxIDWokflowInstance() + 1;
w.Name = textBoxWorkflowInstanceName.Text;
w.CurrentStateID = repository.WorkflowsRepository.GetWorkflowFirstState((int)listBoxMyWorkflows.SelectedValue);
w.WorkflowID = (int)listBoxMyWorkflows.SelectedValue;
w.CreationDate = System.DateTime.Now.ToString();
w.Document = bytes;
RapidWorkflowDataContext context = new RapidWorkflowDataContext();
context.WorkflowInstances.InsertOnSubmit(w);
context.SubmitChanges();
}
}
我在第15行遇到錯誤,錯誤是:無法將類型'byte []'隱式轉換為'System.Data.Linq.Binary'
System.Data.Linq.Binary
有一個帶有1個byte[]
參數的構造函數:
w.Document = new System.Data.Linq.Binary(bytes);
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.