www.pudn.com > Websharp2005.rar > QueryParameterCollection.cs
using System;
using System.Data;
using System.Data.Common;
using System.Collections;
namespace Websharp.Data
{
public sealed class QueryParameterCollection : MarshalByRefObject
{
int intitialCapacity=10;
public QueryParameterCollection()
{
}
public QueryParameterCollection(int initCapacity)
{
intitialCapacity=initCapacity;
}
private ArrayList items;
private ArrayList ArrayList()
{
if (this.items == null)
{
this.items = new ArrayList(intitialCapacity);
}
return this.items;
}
public int Count
{
get
{
if (this.items == null)
{
return 0;
}
return this.items.Count;
}
}
public QueryParameter Add(QueryParameter param)
{
this.ArrayList().Add(param);
return param;
}
public QueryParameter Add(string ParameterName, object Value)
{
return this.Add(new QueryParameter(ParameterName, Value));
}
public QueryParameter Add(string ParameterName, object Value, DbType dbType)
{
return this.Add(new QueryParameter(ParameterName, Value,dbType));
}
private void Replace(int index, QueryParameter newValue)
{
this.Validate(index, newValue);
this.items[index] = newValue;
}
public QueryParameter this[int index]
{
get
{
this.RangeCheck(index);
return ((QueryParameter) this.items[index]);
}
set
{
this.RangeCheck(index);
this.Replace(index, value);
}
}
public QueryParameter this[string ParameterName]
{
get
{
int num1 = this.RangeCheck(ParameterName);
return ((QueryParameter) this.items[num1]);
}
set
{
int num1 = this.RangeCheck(ParameterName);
this.Replace(num1, value);
}
}
private void ValidateType(object Value)
{
}
private void Validate(int index, QueryParameter Value)
{}
private void RangeCheck(int index)
{
if ((index < 0) || (this.Count <= index))
{
throw new IndexOutOfRangeException("Number "+index.ToString()+" is out of Range");
}
}
private int RangeCheck(string ParameterName)
{
int num1;
num1 = this.IndexOf(ParameterName);
if (num1 < 0)
{
throw new IndexOutOfRangeException("ParameterName "+ParameterName+" dose not exist");
}
return num1;
}
public int IndexOf(string ParameterName)
{
int index=-1;
if (this.items != null)
{
for(int i=0;i