private void OnTextPropertyChange(DependencyPropertyChangedEventArgs e)
{
if (DbTypeInfo == null)
{
return;
}
try
{
object v = DbTypeInfo.Parse(Text);
SetValue(ValueProperty, v);
SetIsError(false);
string txt = DbTypeInfo?.ValueToString(Value);
if (Text != txt)
{
SetValue(TextProperty, txt);
}
}
catch
{
SetIsError(true);
}
TextChanged?.Invoke(this, e);
}
private void InvalidateDbTypeInfo()
{
_dbTypeInfo = null;
}
public QueryStore(TextReader reader)
{
StringBuilder buf = new StringBuilder();
for (string s = reader.ReadLine(); s != null && s.StartsWith(ParamSeparator); s = reader.ReadLine())
{
buf.AppendLine(s);
}
_sql = buf.ToString();
Parameters = new ParameterStoreCollection();
while (reader.Peek() != -1)
{
string pName = GetWord(reader, false);
if (pName == null)
{
break;
}
if (pName.StartsWith(ParamSeparator))
{
return;
}
if (!pName.StartsWith("--"))
{
throw new ApplicationException("パラメータ宣言が -- で開始されていません");
}
if (pName == "--")
{
pName = GetWord(reader, false);
}
else
{
pName = pName.Substring(2);
}
string s = GetWord(reader, false);
if (s == null || s != ":")
{
throw new ApplicationException(":が見つかりません");
}
string typeStr = GetWord(reader, false);
s = GetWord(reader, false);
if (s == null || s != "=")
{
throw new ApplicationException("=が見つかりません");
}
string val = GetWord(reader, true);
ParameterStore param = new ParameterStore(pName);
DbTypeInfo info = DbTypeInfo.GetDbTypeInfo(typeStr);
if (info == null)
{
throw new ApplicationException(string.Format("不明な型です: {0}", typeStr));
}
param.DbType = info.DbType;
if (string.IsNullOrEmpty(val) || string.Compare(val, "null", true) == 0)
{
param.Value = DBNull.Value;
}
else
{
val = DequoteStr(val);
param.Value = info.Parse(val);
}
Parameters.Add(param);
}
}
