protected void RunSqlQuery(SqlDataQueryContext ctx, out DataTable dataTbl, String sqlCmd, params DbParameter[] dbParmArr)
{
DbConnection dbConn = ctx.DbConnection;
DbCommand dbCmd = dbConn.CreateCommand();
DbDataAdapter dbAdapter = mS_DbObjFactory.CreateDataAdapter();
try
{
dbCmd.CommandType = CommandType.Text;
dbCmd.CommandText = sqlCmd;
dbCmd.Parameters.AddRange(dbParmArr);
dataTbl = new DataTable();
dbAdapter.SelectCommand = dbCmd;
dbAdapter.Fill(dataTbl);
}
finally
{
dbAdapter.Dispose();
dbAdapter = null;
dbCmd.Dispose();
dbCmd = null;
}
}
protected void RunSqlBulkInsert(SqlDataQueryContext ctx, String destTblName, DataTable srcDataTbl, IDictionary <String, String> colMapping)
{
DbConnection dbConn = ctx.DbConnection;
SqlConnection sqlDbConn = ToSqlConnection(dbConn);
SqlBulkCopy sqlBcp = null;
try
{
sqlBcp = new SqlBulkCopy(sqlDbConn);
sqlBcp.DestinationTableName = destTblName;
if (colMapping != null)
{
foreach (String srcCol in colMapping.Keys)
{
sqlBcp.ColumnMappings.Add(srcCol, colMapping[srcCol]);
}
}
sqlBcp.WriteToServer(srcDataTbl);
}
finally
{
if (sqlBcp != null)
{
sqlBcp.Close();
sqlBcp = null;
}
}
}
public void RunQuery(Object argObj)
{
DbConnection dbConn = null;
try
{
dbConn = mS_DbObjFactory.CreateConnection();
dbConn.ConnectionString = GetConnectionString();
dbConn.Open();
SqlDataQueryContext ctx = new SqlDataQueryContext {
ArgObj = argObj, DbConnection = dbConn
};
RunQuery_Impl(ctx);
}
catch (DbException ex)
{
throw new Exception("Query failed.", ex);
}
finally
{
if (null != dbConn)
{
if (dbConn.State == ConnectionState.Open)
{
dbConn.Close();
}
dbConn.Dispose();
dbConn = null;
}
}
}
protected void RunSqlInsert(SqlDataQueryContext ctx, String destTblName, DataTable dataTbl, params DbParameter[] dbParmArr)
{
if (dbParmArr.Where(p => String.IsNullOrEmpty(p.SourceColumn)).FirstOrDefault() != null)
{
throw new ArgumentException("There are one or more dbParam without SourceColumn name!");
}
String insertCmdStr = String.Format("insert into [{0}]({1}) values ({2});",
destTblName,
String.Join(",", dbParmArr.Select(p => String.Format("[{0}]", p.SourceColumn))),
String.Join(",", dbParmArr.Select(p => p.ParameterName)));
this.RunSqlInsert(ctx, dataTbl, insertCmdStr, dbParmArr);
}
protected void RunSqlCommand(SqlDataQueryContext ctx, String sqlCmd, params DbParameter[] dbParmArr)
{
DbConnection dbConn = ctx.DbConnection;
DbCommand dbCmd = dbConn.CreateCommand();
try
{
dbCmd.CommandType = CommandType.Text;
dbCmd.CommandText = sqlCmd;
dbCmd.Parameters.AddRange(dbParmArr);
dbCmd.ExecuteNonQuery();
}
finally
{
dbCmd.Dispose();
dbCmd = null;
}
}
protected void RunSqlInsert(SqlDataQueryContext ctx, DataTable dataTbl, String insertCmd, params DbParameter[] dbParmArr)
{
DbConnection dbConn = ctx.DbConnection;
DbCommand dbInsertCmd = dbConn.CreateCommand();
DbDataAdapter dbAdapter = mS_DbObjFactory.CreateDataAdapter();
try
{
dbInsertCmd.CommandType = CommandType.Text;
dbInsertCmd.CommandText = insertCmd;
dbInsertCmd.Parameters.AddRange(dbParmArr);
dbAdapter.InsertCommand = dbInsertCmd;
dbAdapter.Update(dataTbl);
}
finally
{
dbAdapter.Dispose();
dbAdapter = null;
dbInsertCmd.Dispose();
dbInsertCmd = null;
}
}
protected abstract void RunQuery_Impl(SqlDataQueryContext ctx);
