private void Add(int message_id, AttachmentClass attach)
{
using (Entities e = new Entities())
{
ATTACHMENTS _attach = attach.GetAttahmentDB();
_attach.MESSAGE_ID = message_id;
e.ATTACHMENTS.Add(_attach);
e.SaveChanges();
}
}
private void btnAdd_Click(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog
{
Filter = "所有文件|*.*",
Multiselect = true
};
if (dialog.ShowDialog() == DialogResult.OK)
{
ITableAttachments attachments = (ITableAttachments)this.Object.Class;
IAttachmentManager attachmentManager = attachments.AttachmentManager;
ListViewItem item = null;
string[] items = new string[2];
foreach (string str in dialog.FileNames)
{
IMemoryBlobStream stream = new MemoryBlobStreamClass();
stream.LoadFromFile(str);
string fileName = Path.GetFileName(str);
AttachmentClass class2 = new AttachmentClass
{
ContentType = this.GetType(str),
Data = stream,
Name = fileName
};
IAttachment attachment = class2;
items[0] = attachment.Name;
items[1] = attachment.Size.ToString();
item = new ListViewItem(items)
{
Tag = attachment
};
this.listView1.Items.Add(item);
}
}
}
private void CreateAttachTable(IFeatureClass pFeatureClass,int pID,string pFilePath,string pFileType)
{
//要素表是否有附件表,数据库只能是10版本的
ITableAttachments pTableAtt = pFeatureClass as ITableAttachments;
if (pTableAtt.HasAttachments == false)
{
pTableAtt.AddAttachments();
}
//获取附件管理器
IAttachmentManager pAttachmentManager = pTableAtt.AttachmentManager;
//用二进制流读取数据
IMemoryBlobStream pMemoryBlobStream = new MemoryBlobStreamClass();
pMemoryBlobStream.LoadFromFile(pFilePath);
//创建一个附件
IAttachment pAttachment = new AttachmentClass();
pAttachment.ContentType=pFileType;
pAttachment.Name = System.IO.Path.GetFileName(pFilePath);
pAttachment.Data = pMemoryBlobStream;
//添加到表中
pAttachmentManager.AddAttachment(pID, pAttachment);
}
