Parameter.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / ndp / fx / src / DataEntity / System / Data / Common / EntitySql / Parameter.cs / 3 / Parameter.cs
                        

                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....]
// @backup [....] 
//--------------------------------------------------------------------- 

 
namespace System.Data.Common.EntitySql
{
    using System;
    using System.Globalization; 
    using System.Collections;
    using System.Collections.Generic; 
 
    /// 
    /// represents an ast parameter node 
    /// 
    internal sealed class Parameter : Expr
    {
        private string _name; 

        ///  
        /// initializes parameter 
        /// 
        ///  
        /// 
        /// 
        /// 
        /// Thrown if the parameter name does not conform to the expected format 
        /// 
        internal Parameter( string parameterName, string query, int inputPos ) 
            : base(query, inputPos) 
        {
            _name = parameterName.Substring(1); 

            //
            // valid parameter format is: @({LETTER})(_|{LETTER}|{DIGIT})*
            // 
            if (_name.StartsWith("_", StringComparison.OrdinalIgnoreCase) || Char.IsDigit(_name, 0))
            { 
                throw EntityUtil.EntitySqlError(ErrCtx, System.Data.Entity.Strings.InvalidParameterFormat(_name)); 
            }
 

        }

        ///  
        /// returns parameter parameterName (without @ sign)
        ///  
        internal string Name 
        {
            get { return _name; } 
        }

    }
 
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....]
// @backup [....] 
//--------------------------------------------------------------------- 

 
namespace System.Data.Common.EntitySql
{
    using System;
    using System.Globalization; 
    using System.Collections;
    using System.Collections.Generic; 
 
    /// 
    /// represents an ast parameter node 
    /// 
    internal sealed class Parameter : Expr
    {
        private string _name; 

        ///  
        /// initializes parameter 
        /// 
        ///  
        /// 
        /// 
        /// 
        /// Thrown if the parameter name does not conform to the expected format 
        /// 
        internal Parameter( string parameterName, string query, int inputPos ) 
            : base(query, inputPos) 
        {
            _name = parameterName.Substring(1); 

            //
            // valid parameter format is: @({LETTER})(_|{LETTER}|{DIGIT})*
            // 
            if (_name.StartsWith("_", StringComparison.OrdinalIgnoreCase) || Char.IsDigit(_name, 0))
            { 
                throw EntityUtil.EntitySqlError(ErrCtx, System.Data.Entity.Strings.InvalidParameterFormat(_name)); 
            }
 

        }

        ///  
        /// returns parameter parameterName (without @ sign)
        ///  
        internal string Name 
        {
            get { return _name; } 
        }

    }
 
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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