public LightDataTableShared()
{
Columns = new ColumnsCollections <string>();
ColumnsWithIndexKey = new ColumnsCollections <int>();
RoundingSettings = new RoundingSettings();
Culture = GlobalConfiguration.CultureInfo;
ValidateCulture();
}
protected void TypeValidation(ref object value, Type dataType, bool loadDefaultOnError, object defaultValue = null)
{
try
{
ValidateCulture();
if (value == null || value is DBNull)
{
value = ValueByType(dataType, defaultValue);
return;
}
if (IgnoreTypeValidation)
{
return;
}
if (dataType == typeof(byte[]) && value.GetType() == typeof(string))
{
if (value.ToString().Length % 4 == 0) // its a valid base64string
{
value = Convert.FromBase64String(value.ToString());
}
return;
}
if (dataType == typeof(int?) || dataType == typeof(int))
{
if (double.TryParse(CleanValue(dataType, value).ToString(), NumberStyles.Float, Culture, out var douTal))
{
value = Convert.ToInt32(douTal);
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(long?) || dataType == typeof(long))
{
if (double.TryParse(CleanValue(dataType, value).ToString(), NumberStyles.Float, Culture, out var douTal))
{
value = Convert.ToInt64(douTal);
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(float?) || dataType == typeof(float))
{
if (float.TryParse(CleanValue(dataType, value).ToString(), NumberStyles.Float, Culture, out var douTal))
{
value = RoundingSettings.Round(douTal);
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(decimal?) || dataType == typeof(decimal))
{
if (decimal.TryParse(CleanValue(dataType, value).ToString(), NumberStyles.Float, Culture, out var decTal))
{
value = RoundingSettings.Round(decTal);
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(double?) || dataType == typeof(double))
{
if (double.TryParse(CleanValue(dataType, value).ToString(), NumberStyles.Float, Culture, out var douTal))
{
value = RoundingSettings.Round(douTal);
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(DateTime?) || dataType == typeof(DateTime))
{
if (DateTime.TryParse(value.ToString(), Culture, DateTimeStyles.None, out var dateValue))
{
if (dateValue < SqlDateTime.MinValue)
{
dateValue = SqlDateTime.MinValue.Value;
}
value = dateValue;
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(bool?) || dataType == typeof(bool))
{
if (bool.TryParse(value.ToString(), out var boolValue))
{
value = boolValue;
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(TimeSpan?) || dataType == typeof(TimeSpan))
{
if (TimeSpan.TryParse(value.ToString(), Culture, out var timeSpanValue))
{
value = timeSpanValue;
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType.IsEnum || (dataType.GenericTypeArguments?.FirstOrDefault()?.IsEnum ?? false))
{
var type = dataType;
if ((dataType.GenericTypeArguments?.FirstOrDefault()?.IsEnum ?? false))
{
type = (dataType.GenericTypeArguments?.FirstOrDefault());
}
if (value is int || value is long)
{
if (Enum.IsDefined(type, Convert.ToInt32(value)))
{
value = Enum.ToObject(type, Convert.ToInt32(value));
}
}
else if (Enum.IsDefined(type, value))
{
value = Enum.Parse(type, value.ToString(), true);
}
else if (loadDefaultOnError)
{
value = Activator.CreateInstance(dataType);
}
}
else if (dataType == typeof(Guid) || dataType == typeof(Guid?))
{
if (Guid.TryParse(value.ToString(), out Guid v))
{
value = v;
}
else if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
}
else if (dataType == typeof(string))
{
value = value.ToString();
}
}
catch (Exception ex)
{
throw new Exception($"Error: InvalidType. ColumnType is {dataType.FullName} and the given value is of type {value.GetType().FullName} Original Exception {ex.Message}");
}
}
protected void TypeValidation(ref object value, Type dataType, bool loadDefaultOnError, object defaultValue = null)
{
try
{
ValidateCulture();
if (value == null || value is DBNull)
{
value = ValueByType(dataType, defaultValue);
return;
}
if (IgnoreTypeValidation)
{
return;
}
if (dataType == typeof(int?) || dataType == typeof(int))
{
if (double.TryParse(CleanValue(dataType, value).ToString(), NumberStyles.Float, Culture, out var douTal))
{
value = Convert.ToInt32(douTal);
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(long?) || dataType == typeof(long))
{
if (double.TryParse(CleanValue(dataType, value).ToString(), NumberStyles.Float, Culture, out var douTal))
{
value = Convert.ToInt64(douTal);
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(decimal?) || dataType == typeof(decimal))
{
if (decimal.TryParse(CleanValue(dataType, value).ToString(), NumberStyles.Float, Culture, out var decTal))
{
value = RoundingSettings.Round(decTal);
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(double?) || dataType == typeof(double))
{
if (double.TryParse(CleanValue(dataType, value).ToString(), NumberStyles.Float, Culture, out var douTal))
{
value = RoundingSettings.Round(douTal);
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(DateTime?) || dataType == typeof(DateTime))
{
if (DateTime.TryParse(value.ToString(), Culture, DateTimeStyles.None, out var dateValue))
{
value = dateValue;
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(bool?) || dataType == typeof(bool))
{
if (bool.TryParse(value.ToString(), out var boolValue))
{
value = boolValue;
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType == typeof(TimeSpan?) || dataType == typeof(TimeSpan))
{
if (TimeSpan.TryParse(value.ToString(), Culture, out var timeSpanValue))
{
value = timeSpanValue;
}
else
if (loadDefaultOnError)
{
value = ValueByType(dataType, defaultValue);
}
return;
}
if (dataType.IsEnum)
{
if (value is int || value is long)
{
if (Enum.IsDefined(dataType, Convert.ToInt32(value)))
{
value = Enum.ToObject(dataType, Convert.ToInt32(value));
}
}
else if (Enum.IsDefined(dataType, value))
{
value = Enum.Parse(dataType, value.ToString(), true);
}
}
else if (dataType == typeof(Guid) || dataType == typeof(Guid?))
{
if (Guid.TryParse(value.ToString(), out Guid v))
{
value = v;
}
}
else if (dataType == typeof(string))
{
value = value.ToString();
}
}
catch (Exception ex)
{
throw new Exception("Error: InvalidType. ColumnType is " + dataType.FullName + " and the given value is of type " + value.GetType().FullName + " Original Exception " + ex.Message);
}
}
