public void changeDisporder(Int32 nodeAID, Int32 nodeBID)
{
isSucces = true;
string connectionString = DBSource.ConnectionStringPBox;
int nodeAID_Disporder = 0;
int nodeBID_Disporder = 0;
string commandTextA = "SELECT * FROM FileNode WHERE node_id=" + nodeAID;
string commandTextB = "SELECT * FROM FileNode WHERE node_id=" + nodeBID;
helperPBox = new dBHelper(connectionString);
if (helperPBox.Load(commandTextA, "node_id") == true)
{
foreach (DataRow dr in helperPBox.DataSet.Tables[0].Rows)
{
nodeAID_Disporder = int.Parse(dr["disporder"].ToString());
}
}
if (helperPBox.Load(commandTextB, "node_id") == true)
{
foreach (DataRow dr in helperPBox.DataSet.Tables[0].Rows)
{
nodeBID_Disporder = int.Parse(dr["disporder"].ToString());
}
}
string commandTextC1 = "update FileNode set disporder = " + nodeBID_Disporder + " WHERE node_id=" + nodeAID;
string commandTextC2 = "update FileNode set disporder = " + nodeAID_Disporder + " WHERE node_id=" + nodeBID;
isSucces = isSucces && helperPBox.ExecuteNonQuery(commandTextC1);
isSucces = isSucces && helperPBox.ExecuteNonQuery(commandTextC2);
}
public void deleteFileNode(Int32 nodeID)
{
isSucces = true;
string connectionString = DBSource.ConnectionStringPBox;
helperPBox = new dBHelper(connectionString);
//1、先删除节点下的所有文件数据
string commandText = "SELECT * FROM FileMemo WHERE file_nodeid=" + nodeID;
if (helperPBox.Load(commandText, "file_nodeid") == true)
{
foreach (DataRow dr in helperPBox.DataSet.Tables[0].Rows)
{
int curFileID = int.Parse(dr["file_id"].ToString());
isSucces = isSucces && deleteFileData(curFileID);
}
}
//2、删除节点下的所有文件描述信息
commandText = "delete FROM FileMemo WHERE file_nodeid=" + nodeID;
isSucces = isSucces && helperPBox.ExecuteNonQuery(commandText);
//3、再删除节点下所有子节点
commandText = "SELECT * FROM FileNode WHERE parent_id=" + nodeID;
if (helperPBox.Load(commandText, "node_id") == true)
{
foreach (DataRow dr in helperPBox.DataSet.Tables[0].Rows)
{
int curNodeID = int.Parse(dr["node_id"].ToString());
deleteFileNode(curNodeID);
}
}
//4、删除自己
commandText = "SELECT * FROM FileNode WHERE node_id=" + nodeID;
if (helperPBox.Load(commandText, "node_id") == true)
{
if (helperPBox.DataSet.Tables[0].Rows.Count == 1)
{
helperPBox.DataSet.Tables[0].Rows[0].Delete();
try
{
if (helperPBox.Save() == true)
{
isSucces = isSucces && true;
}
else
{
isSucces = isSucces && false;
MessageBox.Show("Delete failed");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
}
public void saveFile(int fileID, String fileName)
{
string connectionString = DBSource.ConnectionStringPBox;
DataRow dataRow = null;
string commandText = "SELECT * FROM FileMemo WHERE file_id=" + fileID;
helperPBox = new dBHelper(connectionString);
{
if (helperPBox.Load(commandText, "file_id") == true)
{
dataRow = helperPBox.DataSet.Tables[0].Rows[0];
dataRow["file_name"] = fileName;
try
{
if (helperPBox.Save() == true)
{
isSucces = true;
}
else
{
isSucces = false;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}//END IF
}
}
public void saveFileNode(String nodeName, int nodeID, int parentID)
{
string connectionString = DBSource.ConnectionStringPBox;
DataRow dataRow = null;
string commandText = "SELECT * FROM FileNode WHERE node_id=" + nodeID;
helperPBox = new dBHelper(connectionString);
{
if (helperPBox.Load(commandText, "node_id") == true)
{
helperPBox.DataSet.Tables[0].Rows.Add(helperPBox.DataSet.Tables[0].NewRow());
dataRow = helperPBox.DataSet.Tables[0].Rows[0];
dataRow["node_name"] = nodeName;
dataRow["parent_id"] = parentID;
try
{
if (helperPBox.Save() == true)
{
isSucces = true;
}
else
{
isSucces = false;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}//END IF
}
}
public void deleteFile(Int32 fileID)
{
//Set variables
isSucces = false;
// Determin the ConnectionString
string connectionString = DBSource.ConnectionStringPBox;
// Determin the DataAdapter = CommandText + Connection
string commandText = "SELECT * FROM FileMemo WHERE file_id=" + fileID;
// Make a new object
helperPData = new dBHelper(connectionString);
{
// Load Data
if (helperPData.Load(commandText, "file_id") == true)
{
// Determin if the row was found
if (helperPData.DataSet.Tables[0].Rows.Count == 1)
{
// Found, delete row
helperPData.DataSet.Tables[0].Rows[0].Delete();
try
{
// Save -> determin succes
if (helperPData.Save() == true)
{
isSucces = true;
helperPData.Dbgc();
Boolean delDataRs = deleteFileData(fileID);
if (!delDataRs)
{
MessageBox.Show("删除文件数据失败！");
}
}
else
{
isSucces = false;
MessageBox.Show("删除文件失败！");
}
}
catch (Exception ex)
{
// Show the Exception --> Dubbel ContactId/Name ?
MessageBox.Show(ex.Message);
}
}
}
}
}
public void insertFileNode(String nodeName, int parentId)
{
string connectionString = DBSource.ConnectionStringPBox;
DataRow dataRow = null;
string commandText = "SELECT * FROM FileNode WHERE 1=0";
helperPBox = new dBHelper(connectionString);
{
// Load Data
if (helperPBox.Load(commandText, "node_id") == true)
{
// Add a row and determin the row
helperPBox.DataSet.Tables[0].Rows.Add(helperPBox.DataSet.Tables[0].NewRow());
dataRow = helperPBox.DataSet.Tables[0].Rows[0];
// Enter the given values
dataRow["node_name"] = nodeName;
dataRow["parent_id"] = parentId;
try
{
// Save -> determin succes
if (helperPBox.Save() == true)
{
dataRow["disporder"] = dataRow["node_id"];
if (helperPBox.Save() == true)
{
isSucces = true;
}
else
{
isSucces = false;
}
}
else
{
isSucces = false;
MessageBox.Show("Error during Insertion");
}
}
catch (Exception ex)
{
// Show the Exception --> Dubbel Id/Name ?
MessageBox.Show(ex.Message);
}
}//END IF
}
}
public Boolean deleteFileData(Int32 fileID)
{
//Set variables
Boolean rtnSucces = false;
// Determin the ConnectionString
string connectionString = DBSource.ConnectionStringPData;
// Determin the DataAdapter = CommandText + Connection
string commandText = "SELECT * FROM FileStore WHERE file_id=" + fileID;
// Make a new object
helperPData = new dBHelper(connectionString);
{
// Load Data
if (helperPData.Load(commandText, "file_id") == true)
{
for (int i = helperPData.DataSet.Tables[0].Rows.Count - 1; i >= 0; i--)
{
// Found, delete row
helperPData.DataSet.Tables[0].Rows[i].Delete();
}
try
{
// Save -> determin succes
if (helperPData.Save() == true)
{
rtnSucces = true;
helperPData.Dbgc();
}
else
{
rtnSucces = false;
}
}
catch (Exception ex)
{
// Show the Exception --> Dubbel ContactId/Name ?
MessageBox.Show(ex.Message);
}
}
}
return(rtnSucces);
}
public void saveUserAndPwd(String UserName, String Password)
{
string connectionString = DBSource.ConnectionStringPBox;
DataRow dataRow = null;
string commandText = "SELECT * FROM FileAdmin WHERE 1=0";
helperPBox = new dBHelper(connectionString);
{
// Load Data
if (helperPBox.Load(commandText, "admin_id") == true)
{
// Add a row and determin the row
helperPBox.DataSet.Tables[0].Rows.Add(helperPBox.DataSet.Tables[0].NewRow());
dataRow = helperPBox.DataSet.Tables[0].Rows[0];
// Enter the given values
dataRow["admin_name"] = UserName;
dataRow["admin_pwd"] = Password;
try
{
// Save -> determin succes
if (helperPBox.Save() == true)
{
isSucces = true;
}
else
{
isSucces = false;
MessageBox.Show("Error during Insertion");
}
}
catch (Exception ex)
{
// Show the Exception --> Dubbel Id/Name ?
MessageBox.Show(ex.Message);
}
}//END IF
}
}
public Boolean hasPData()
{
Boolean hasIt = false;
try
{
string connectionString = DBSource.ConnectionStringPData;
DataRow dataRow = null;
string commandText = "SELECT * FROM FileStore where file_id=1";
helperPData = new dBHelper(connectionString);
{
if (helperPData.Load(commandText, "file_id") == true)
{
hasIt = true;
}//END IF
}
}
catch (Exception exp) {
hasIt = false;
}
return(hasIt);
}
public List <Byte[]> getFileData(int fileID)
{
List <Byte[]> l_btye = new List <Byte[]>();
try
{
string connectionString = DBSource.ConnectionStringPData;
DataRow dataRow = null;
string commandText = "SELECT * FROM FileStore WHERE file_id=" + fileID + " order by file_part_id asc";
helperPData = new dBHelper(connectionString);
{
if (helperPData.Load(commandText, "file_id") == true)
{
for (int i = 0; i < helperPData.DataSet.Tables[0].Rows.Count; i++)
{
dataRow = helperPData.DataSet.Tables[0].Rows[i];
l_btye.Add((byte[])dataRow["file_part_data"]);
}
}//END IF
}
}
catch (Exception exp) { }
return(l_btye);
}
public Boolean saveFileData(int fileID, byte[] fileData)
{
//先删除fileID的数据
deleteFileData(fileID);
//然后保存fileData
Boolean saveRs = false;
string connectionString = DBSource.ConnectionStringPData;
DataRow dataRow = null;
string commandText = "SELECT * FROM FileStore WHERE file_id=" + fileID;
helperPData = new dBHelper(connectionString);
{
if (helperPData.Load(commandText, "file_id") == true)
{
if (fileData.Length > mb_1)
{
int partCount = (fileData.Length + mb_1 - 1) / mb_1;
for (int i = 1; i <= partCount; i++)
{
helperPData.DataSet.Tables[0].Rows.Add(helperPData.DataSet.Tables[0].NewRow());
dataRow = helperPData.DataSet.Tables[0].Rows[i - 1];
dataRow["file_id"] = fileID;
dataRow["file_part_data"] = getPartFileData(fileData, i);
dataRow["file_part_id"] = i;
try
{
if (helperPData.Save() == true)
{
saveRs = true;
}
else
{
saveRs = false;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
else
{
helperPData.DataSet.Tables[0].Rows.Add(helperPData.DataSet.Tables[0].NewRow());
dataRow = helperPData.DataSet.Tables[0].Rows[0];
dataRow["file_id"] = fileID;
dataRow["file_part_data"] = fileData;
dataRow["file_part_id"] = 1;
try
{
if (helperPData.Save() == true)
{
saveRs = true;
}
else
{
saveRs = false;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}//END IF
}
return(saveRs);
}
public Int32[] InsertFiles(FileInfo[] fileInfos, int nodeID)
{
DataRow dataRow = null;
isSucces = true;
if (fileInfos == null || fileInfos.Length == 0)
{
return(null);
}
int[] fileids = new int[fileInfos.Length];
int i = 0;
foreach (FileInfo fileInfo in fileInfos)
{
//if no file was selected and no image was created return 0
if (fileInfo == null)
{
fileids[i] = -1;
}
if (fileInfo != null)
{
string connectionStringPBox = DBSource.ConnectionStringPBox;
string commandText = "SELECT * FROM FileMemo WHERE 1=0";
helperPBox = new dBHelper(connectionStringPBox);
{
if (helperPBox.Load(commandText, "file_id") == true)
{
helperPBox.DataSet.Tables[0].Rows.Add(helperPBox.DataSet.Tables[0].NewRow());
dataRow = helperPBox.DataSet.Tables[0].Rows[0];
dataRow["file_name"] = fileInfo.Name.Replace(fileInfo.Extension, "");
dataRow["file_size"] = fileInfo.Length;
dataRow["file_type"] = fileInfo.Extension.ToLower();
dataRow["file_nodeid"] = nodeID;
try
{
if (helperPBox.Save() == true)
{
dataRow["disporder"] = dataRow["file_id"];
isSucces = isSucces && saveFileData(int.Parse("" + dataRow["file_id"]), File.ReadAllBytes(fileInfo.FullName));
if (helperPBox.Save() == true)
{
isSucces = isSucces && true;
}
else
{
isSucces = isSucces && false;
}
}
else
{
isSucces = isSucces && false;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
}
fileids[i] = Convert.ToInt32(dataRow[0].ToString());
i++;
}
return(fileids);
}