字符串串联-失败 [英] String Concatenation - Failed

查看：59 发布时间：2019/6/18 9:44:44 csharpgeneral

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问题描述

你好

我正在开发点Net Framework 3.5中的应用程序，我正在从TCP套接字读取XML响应，并希望读取该xml节点的值，但是如您所见，我没有得到想要的XML响应以获取节点值，所以我竭力做到获取值

I am developing applicaed tion in dot Net Framework 3.5 I which i am reading XML response from TCP socket and want to read values of that xml nodes but as you can see I am not getting xml response as wanted for getting node values so i devided to make and get the values

我得到的回应

<?xml version ="1.0" encoding ="UTF-16"?>
< Params product ="22">< Col id ="PrintInformation" flags ="7"< Sta id ="Busy". flags ="262". stateType =否". max ＝"1"＞ 0 ＜/Sta＞＜Sta id ＝"Powered". flags ="262". stateType ="OffOn"； max ＝"1"＞ 0 ＜/Sta＞＜num id ＝"PrintSpeed". flags ="519" numType ＝"NumMillimetres". min ="1" max ＝"5000"＞ 300/Num ID ＝"MaximumSpeed". flags ="262". numType ="NumSpeed"； min ="0" max ="5000" def ＝"500"＞ 500/Num ＜Sta id ＝"HeadAttached". flags ="262". stateType =否". max ＝"1"＞ 1/Sta ＜Evt id ＝"PrintStarted". flags ="258"/"Evt id ="PrintAborted".标志＝"258"/＜Sta id ＝"PrintDensity". flags ="519" stateType ="ImageResolutionBPP"； max ＝"11"＞ 0 ＜/Sta＞＜Sta id ＝"PrintingImage". flags ="262". stateType =否". max ＝"1"＞ 0 ＜/Sta＞ Evt id ＝"PrintCompleted". flags ="258"/< Sta id ="PrintDirection". flags ="262". stateType ＝方向". max ＝"1"＞ 0 ＜/Sta＞＜Sta id ="CartridgeInserted" flags ="262". stateType =否". max ＝"1"＞ 0 ＜/Sta＞＜Sta id ＝"GroupPrintheadMap". flags ="262". max ＝"15"＞ 1/Sta ＜Num id ＝"MaximumPrintDrift". flags ="519" numType =" NumTent

<?xml version="1.0" encoding="UTF-16"?>
<Params product="22"><Col id="PrintInformation" flags="7"><Sta id="Busy" flags="262" stateType="NoYes" max="1">0</Sta><Sta id="Powered" flags="262" stateType="OffOn" max="1">0</Sta><Num id="PrintSpeed" flags="519" numType="NumMillimetres" min="1" max="5000">300</Num><Num id="MaximumSpeed" flags="262" numType="NumSpeed" min="0" max="5000" def="500">500</Num><Sta id="HeadAttached" flags="262" stateType="NoYes" max="1">1</Sta><Evt id="PrintStarted" flags="258"/><Evt id="PrintAborted" flags="258"/><Sta id="PrintDensity" flags="519" stateType="ImageResolutionBPP" max="11">0</Sta><Sta id="PrintingImage" flags="262" stateType="NoYes" max="1">0</Sta><Evt id="PrintCompleted" flags="258"/><Sta id="PrintDirection" flags="262" stateType="Direction" max="1">0</Sta><Sta id="CartridgeInserted" flags="262" stateType="NoYes" max="1">0</Sta><Sta id="GroupPrintheadMap" flags="262" max="15">1</Sta><Num id="MaximumPrintDrift" flags="519" numType="NumTent

删除一些字符串后

< Sta id =忙" flags ="262". stateType =否". max ＝"1"＞ 0 ＜/Sta＞＜Sta id ＝"Powered". flags ="262". stateType ="OffOn"； max ＝"1"＞ 0 ＜/Sta＞＜num id ＝"PrintSpeed". flags ="519" numType ＝"NumMillimetres". min ="1" max ＝"5000"＞ 300/Num ID ＝"MaximumSpeed". flags ="262". numType ="NumSpeed"； min ="0" max ="5000" def ="500"> 500/Num< Sta id ="HeadAttached" flags ="262". stateType =否". max ＝"1"＞ 1/Sta ＜Evt id ＝"PrintStarted". flags ="258"/"Evt id ="PrintAborted".标志＝"258"/＜Sta id ＝"PrintDensity". flags ="519" stateType ="ImageResolutionBPP"； max ＝"11"＞ 0 ＜/Sta＞＜Sta id ＝"PrintingImage". flags ="262". stateType =否". max ＝"1"＞ 0 ＜/Sta＞ Evt id ＝"PrintCompleted". flags ="258"/< Sta id ="PrintDirection". flags ="262". stateType ＝方向". max ＝"1"＞ 0 ＜/Sta＞＜Sta id ＝"CartridgeInserted". flags ="262". stateType =否". max ＝"1"＞ 0 ＜/Sta＞＜Sta id =" GroupPrintheadMap" flags ="262". max ="15"> 1</Sta>

现在通过串联希望将根元素添加到上述字符串中

Now through concatenation wanted to add root elements to above string

<包装器>

</包装器>

但是在这种情况下，字符串没有在末尾串联在一起，这意味着</Wrapper>没有被添加.

But in this case string is not getting concatenated at the end means </Wrapper> is not getting added.

 string xmlText = class_responsestring;
                    MessageBox.Show(xmlText);
                    string first = xmlText.Replace(@"<?xml version=""1.0"" encoding=""UTF-16""?>", "");
                    MessageBox.Show(first);
                    string Second = first.Replace(@"<Params product=""22"">", "");
                    MessageBox.Show(Second);
                    string third = Second.Replace(@"<Col id=""PrintInformation"" flags=""7"">", "");
                    MessageBox.Show(third);
                    string fourth = third.Replace(@"<Num id=""MaximumPrintDrift"" flags=""519"" numType=""NumTent", "");
                    Read_PrintSpeed =   "<Wrapper>" +  fourth + "</Wrapper>";

字符串串联-失败 [英] String Concatenation - Failed

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字符串串联-失败 [英] String Concatenation - Failed

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