System.Text.RegularExpressions.Regex.Replace C#中的SSI错误
我使用下面的代码在C#中编写ssis包，当我编写此代码时，我得到一个错误System.Text.RegularExpressions.Regex.Replace C#中的SSI错误,c#,regex,ssis,C#,Regex,Ssis,我使用下面的代码在C#中编写ssis包，当我编写此代码时，我得到一个错误 using System; using System.Data; using Microsoft.SqlServer.Dts.Pipeline.Wrapper; using Microsoft.SqlServer.Dts.Runtime.Wrapper; using System.Text.RegularExpressions; [Microsoft.SqlServer.D
using System;
using System.Data;
using Microsoft.SqlServer.Dts.Pipeline.Wrapper;
using Microsoft.SqlServer.Dts.Runtime.Wrapper;
using System.Text.RegularExpressions;
[Microsoft.SqlServer.Dts.Pipeline.SSISScriptComponentEntryPointAttribute]
public class ScriptMain : UserComponent
{
public override void PreExecute()
{
base.PreExecute();
}
public override void PostExecute()
{
base.PostExecute();
}
string toreplace = "[~!@#$%^&*()_+`{};':,./<>?]";
string replacewith = "";
public override void Input0_ProcessInputRow(Input0Buffer Row)
{
Regex reg = new Regex(toreplace);
Row.NaN = reg.Replace(Row.Na, replacewith);
}
}
NaNaNSystem.ArgumentNullException
System.ArgumentOutofRangeException
/* THIS IS AUTO-GENERATED CODE THAT WILL BE OVERWRITTEN! DO NOT EDIT!
* Microsoft SQL Server Integration Services buffer wrappers
* This module defines classes for accessing data flow buffers
* THIS IS AUTO-GENERATED CODE THAT WILL BE OVERWRITTEN! DO NOT EDIT! */
using System;
using System.Data;
using Microsoft.SqlServer.Dts.Pipeline;
using Microsoft.SqlServer.Dts.Pipeline.Wrapper;
public class Input0Buffer: ScriptBuffer
{
public Input0Buffer(PipelineBuffer Buffer, int[] BufferColumnIndexes, OutputNameMap OutputMap)
: base(Buffer, BufferColumnIndexes, OutputMap)
{
}
public BlobColumn Na
{
get
{
return (BlobColumn)Buffer[BufferColumnIndexes[0]];
}
}
public bool Na_IsNull
{
get
{
return IsNull(0);
}
}
public Int32 NaN
{
set
{
this[1] = value;
}
}
public bool NaN_IsNull
{
set
{
if (value)
{
SetNull(1);
}
else
{
throw new InvalidOperationException("IsNull property cannot be set to False. Assign a value to the column instead.");
}
}
}
new public bool NextRow()
{
return base.NextRow();
}
new public bool EndOfRowset()
{
return base.EndOfRowset();
}
}
您的代码基本上很好。您没有测试
NaSELECT
D.Na
, CAST(D.Na AS text) AS Agency_Names
FROM
(
SELECT 'Hello world' AS Na
UNION ALL SELECT 'man~ana'
UNION ALL SELECT 'p@$$word!'
UNION ALL SELECT NULL
) D (Na);
机构名称字符串[DT_STR]机构名称副本NaCopy of Agency_Namepublic class ScriptMain : UserComponent
{
string toreplace = "[~!@#$%^&*()_+`{};':,./<>?]";
string replacewith = "";
public override void Input0_ProcessInputRow(Input0Buffer Row)
{
Regex reg = new Regex(toreplace);
// Test for nulls otherwise Replace will blow up
if (!Row.Na_IsNull)
{
Row.NaN = reg.Replace(Row.Na, replacewith);
}
else
{
Row.NaN_IsNull = true;
}
if (!Row.AgencyNames_IsNull)
{
Row.AgencyNamesCleaned = reg.Replace(Row.AgencyNames, replacewith);
}
else
{
Row.AgencyNamesCleaned_IsNull = true;
}
}
}
数据转换reg.Replace中不应有下划线（…NaSELECT
D.Na
, CAST(D.Na AS text) AS Agency_Names
FROM
(
SELECT 'Hello world' AS Na
UNION ALL SELECT 'man~ana'
UNION ALL SELECT 'p@$$word!'
UNION ALL SELECT NULL
) D (Na);
机构名称字符串[DT_STR]代理名称的副本NaCopy of Agency_Namepublic class ScriptMain : UserComponent
{
string toreplace = "[~!@#$%^&*()_+`{};':,./<>?]";
string replacewith = "";
public override void Input0_ProcessInputRow(Input0Buffer Row)
{
Regex reg = new Regex(toreplace);
// Test for nulls otherwise Replace will blow up
if (!Row.Na_IsNull)
{
Row.NaN = reg.Replace(Row.Na, replacewith);
}
else
{
Row.NaN_IsNull = true;
}
if (!Row.AgencyNames_IsNull)
{
Row.AgencyNamesCleaned = reg.Replace(Row.AgencyNames, replacewith);
}
else
{
Row.AgencyNamesCleaned_IsNull = true;
}
}
}