src/openSourceC.DotNetLibrary.Data/Data/DbParamsBase.cs
/// <summary>
///		Add a floating point parameter representing values ranging from approximately
///		5.0 x 10^-324 to 1.7 x 10^308 with a precision of 15-16 digits to the command object.
/// </summary>
///	<param name="parameterName">The name of the parameter.</param>
/// <param name="sourceColumn">The name of the source column.</param>
///	<param name="sourceColumnIsNullable">Indicates whether the source column is nullable.</param>
///	<param name="direction">The parameter direction. (optional)</param>
///	<returns>Returns a <typeparamref name="TDbParameter"/> object.</returns>
Add a floating point parameter representing values ranging from approximately
5.0 x 10^-324 to 1.7 x 10^308 with a precision of 15-16 digits to the command object.
Add a floating point parameter representing values ranging from approximately 5 . 0 x 10^ - 324 to 1 . 7 x 10^308 with a precision of 15 - 16 digits to the command object .
public TDbParameter AddDouble(string parameterName, string sourceColumn, bool sourceColumnIsNullable, ParameterDirection direction = ParameterDirection.Input)
		{
			TDbParameter prm = AddDouble(parameterName, true, null, direction);
			prm.SourceColumn = sourceColumn;
			prm.SourceColumnNullMapping = sourceColumnIsNullable;
			return prm;
		}
public TDbParameter AddDouble ( string parameterName , string sourceColumn , bool sourceColumnIsNullable , ParameterDirection direction = ParameterDirection . Input ) { TDbParameter prm = AddDouble ( parameterName , true , null , direction ) ; prm . SourceColumn = sourceColumn ; prm . SourceColumnNullMapping = sourceColumnIsNullable ; return prm ; }
Add a floating point parameter representing values ranging from approximately
5.0 x 10^-324 to 1.7 x 10^308 with a precision of 15-16 digits to the command object.
Add a floating point parameter representing values ranging from approximately 5 . 0 x 10^ - 324 to 1 . 7 x 10^308 with a precision of 15 - 16 digits to the command object .
Returns a  object.
Returns a object .
parameterName
string
The name of the parameter.
The name of the parameter .
sourceColumn
string
The name of the source column.
The name of the source column .
sourceColumnIsNullable
bool
Indicates whether the source column is nullable.
Indicates whether the source column is nullable .
direction
ParameterDirection
The parameter direction. (optional)
The parameter direction . ( optional )