/// <summary>
/// Adds a value
/// </summary>
/// <param name="val">The value which is to be added</param>
/// <remarks>
/// This method automatically determins the type of the value and creates the appropriate SqlConstant object.
/// </remarks>
public void Add(object val)
{
if (val == null)
{
return;
}
SqlConstant constant;
if (val is string)
{
constant = SqlConstant.String((string)val);
}
else if (val is int)
{
constant = SqlConstant.Number((int)val);
}
else if (val is DateTime)
{
constant = SqlConstant.Date((DateTime)val);
}
else if (val is double)
{
constant = SqlConstant.Number((double)val);
}
else if (val is float)
{
constant = SqlConstant.Number((double)val);
}
else if (val is decimal)
{
constant = SqlConstant.Number((decimal)val);
}
else
{
constant = SqlConstant.String(val.ToString());
}
Add(constant);
}
/// <summary>
/// Creates a SqlExpression which represents a textual value.
/// </summary>
/// <param name="val">Value of the expression</param>
/// <returns>A SqlExpression which represents a textual value</returns>
public static SqlExpression String(string val)
{
return(Constant(SqlConstant.String(val)));
}