protected virtual IDecoderItem CreateItem(string code, params object[] args)
{
TkDbContext context;
bool createContext;
GetContext(args, out context, out createContext);
try
{
DataRow row = FetchRow(code, context, fDataSet);
if (row == null)
{
return(null);
}
DataColumnCollection columns = row.Table.Columns;
DataRowDecoderItem result = new DataRowDecoderItem(columns, row,
DecoderConst.CODE_NICK_NAME, fExpression, fDisplayExpression);
return(result);
}
finally
{
if (createContext)
{
context.Dispose();
}
}
}
public override IDecoderItem Decode(string code, params object[] args)
{
FillData(args);
DataRow row;
try
{
row = fDataTable.Rows.Find(code);
}
catch
{
row = null;
}
if (row == null)
{
return(null);
}
else
{
DataRowDecoderItem item = new DataRowDecoderItem(fDataTable.Columns, row,
DecoderConst.CODE_NICK_NAME, DecoderConst.NAME_NICK_NAME);
return(item);
}
}
public override IDecoderItem[] SearchByName(string name, params object[] args)
{
TkDbContext context;
bool createContext;
GetContext(args, out context, out createContext);
try
{
IParamBuilder builder = SqlParamBuilder.CreateEqualSql(context, NameField, name);
DataTable table = FetchRows(context, fDataSet, builder, 2);
if (table == null || table.Rows.Count == 0)
{
return(null);
}
IDecoderItem[] result = new IDecoderItem[table.Rows.Count];
int index = 0;
DataColumnCollection columns = table.Columns;
foreach (DataRow row in table.Rows)
{
result[index++] = new DataRowDecoderItem(columns, row,
DecoderConst.CODE_NICK_NAME, fExpression, fDisplayExpression);
}
return(result);
}
finally
{
if (createContext)
{
context.Dispose();
}
}
}