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  • HTML Agility Pack

    - by Harikrishna
    I have html tables in one webpage like <table border=1> <tr><td>sno</td><td>sname</td></tr> <tr><td>111</td><td>abcde</td></tr> <tr><td>213</td><td>ejkll</td></tr> </table> <table border=1> <tr><td>adress</td><td>phoneno</td><td>note</td></tr> <tr><td>asdlkj</td><td>121510</td><td>none</td></tr> <tr><td>asdlkj</td><td>214545</td><td>none</td></tr> </table> Now from this webpage using html agility pack I want to extract the data of the column address and phone no only. It means for that I have find first in which table there is column address and phoneno.After finding that table I want to extract the data of that column address and phoneno what should I do ? I can get the table. But after that what should I do don't understand.

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  • String Matching.

    - by Harikrishna
    I have a string String mainString="///BUY/SELL///ORDERTIME///RT///QTY///BROKERAGE///NETRATE///AMOUNTRS///RATE///SCNM///"; Now I have another strings String str1= "RT"; which should be matched only with RT which is substring of string mainString but not with ORDERTIME which is also substring of string mainString. String str2= "RATE" ; And RATE(str2) should be matched with RATE which is substring of string mainString but not with NETRATE which is also substring of string mainString. How can we do that ?

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  • Html tidy pack replaces `&lt` instead of `< `and `&gt` instead of `>` for html tag.

    - by Harikrishna
    I am tidying the html page by html tidy pack because there are some pages with missing ending tags So I can add the missing closing tags by html agility pack. But some times when I use the html tidy pack then that web page has changes like : If original table is <table><tr><td>first row</td></table> After using html tidy pack the table is : <table> is now &lt table &gt. But I want like <table>. In this particular example it works perfectly but in some html page it replace &lt instead of <and &gt instead of >.

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  • String Manipulation.

    - by Harikrishna
    I will have a different type of string(string will not have fixed format,they will be different every time) from them I want to remove some specific substring.Like the string can be FUTIDX 26FEB2009 NIFTY 0 FUTSTK ONGC 27 Mar 2008 FUTIDX MINIFTY 30 Jul 2009 FUTIDX NIFTY 27 Aug 2009 NIFTY FUT XP: 29/05/2008 Actuall I want the string from every string defined above like NIFTY-FEB09 ONGC-MAR08 MINIFTY-JUL09 NIFTY-AUG09 NIFTY-MAY08 How can I do that ?

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  • Parsing or Extracting the content of html table.

    - by Harikrishna
    Can I parse the html tables by giving only column name ? Like only those data should be extracted from the table which matches those column names I give. Like for example I have table of column names like serial no., name, address, phone no,total Rs.. And I want to extract the information about only name, phone no and total Rs.. Then how can I do it?

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  • Datatable and Datagridview.

    - by Harikrishna
    I have datatable table like id name address phoneno 1 abc kfjskl 798798 2 bcd kjdsfl 808909 3 899009 fjsh kjllkjl 5 jfkd And I am displaying this value in the datagridview by code dataGridView1.ColumnCount = Table.Columns.Count; dataGridView1.RowCount = Table.Rows.Count; for (int i = 0; i < dataGridView1.RowCount; i++) { for (int j = 0; j < dataGridView1.ColumnCount; j++) { dataGridView1[j, i].Value = Table.Rows[i][j].ToString(); } } Now I don't want to display row that has some missing value like If I will do that then the datagridview will look like 1 abc kfjskl 798798 2 bcd kjdsfl 808909 How can I do that ?

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  • Accessing non-static combbox property in the static method.

    - by Harikrishna
    I have one combobox on the window form and I have one method which is declared with static like private static DataTable ParseTable(HtmlNode table) Now I want to use combobox in that method for using combobox property but I can not access any property of combobox or combobox itself.If I made the combobox declaration as static then it can be accessed in that static method.But any alternative way to access combbox property in that static method because I don't want to make combobox declaration as static.

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  • How can we remove specific string from string ?

    - by Harikrishna
    I will have a different type of string(string will not have fixed format,they will be different every time) from them I want to remove some specific substring.Like the string can be FUTIDX 26FEB2009 NIFTY 0 FUTSTK ONGC 27 Mar 2008 FUTIDX MINIFTY 30 Jul 2009 FUTIDX NIFTY 27 Aug 2009 NIFTY FUT XP: 29/05/2008 Now I want to Remove the string which starts with FUT how can I do that ?

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  • Constant value.

    - by Harikrishna
    Is there any constant value like if we display it in the datagridview it will not display and if we add it in the decimal value the value remains as it is ? Like what I am doing is, I am making addition of two columns say B,C for the column A like dataTable.Columns["A"].Expression="B+C"; Now problem is when there is any value of column B or C is null then there is no value in the column A because of A=B+C like 1+null is null. And even I can not replace 0 where there is null for the column B or C because I am displaying records of each column A,B and C in the datagridview and I don't want to display value for column which has value null so if I replace 0 where there is null then 0 will be displayed for that column which I don't want. So what should I do for that ? So what is the constant value which I should replace for null value for the column B and C so if value of A remains it is and even that value will not be displayed in the datagridview.

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  • Folder Browser Dialog.

    - by Harikrishna
    I am using Folder Browser Dialog in my application to select a folder. Now I want such a thing that in the folder there should be only html files nothing else to be selected. Like if we have open file dialog and only we want to display html file then we use filter property of openfiledialog.So how can I do that in folder browser dialog to remain or select only html files in the folder ? That is how can I filter files in the folder browser dialog ?

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  • HTML Agility Pack

    - by Harikrishna
    I want to parse the html table using html agility pack. I want to extract only some predefined column data from the table. But I am new to parsing and html agility pack and I have tried but I don't know how to use the html agility pack for my need. If anybody knows then give me example if possible.

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  • How to parse date from html page using html agility pack ?

    - by Harikrishna
    I have html pages and I am parsing those pages with html agility pack. Now I want to parse some information.In every pages there is trading date(20/02/02) which I want to parse. Like it will be look like a Trading date : 20/02/02. Now Trading date and date(20/02/02) may be in same column(td) or it can be different column like in first column trading date and in second column 20/02/02 then what should I do ?

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  • How to Store data without using Database and how to retrieve them ?

    - by Harikrishna
    I am parsing the html file to extract tabular information through column names. And I want like let user give the input for column name. And according to that column names tabular information will be extracted. Now that column names which user will input,based on that column names I want to find the tabular information from the html file. But where I should store this column names input by user ? And how to retrieve them ? I dont want to use database.

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  • How can we copy datacolumn with data from one table to another ?

    - by Harikrishna
    I have one Datatable like DataTable addressAndPhones; And there are four columns name,address,phoneno,and other details and I only want two columns Name and address from that so I do for that is DataTable addressAndPhones2; addressAndPhones2.Columns.Add(new DataColumn(addressAndPhones.Columns["name"].ColumnName)); addressAndPhones2.Columns.Add(new DataColumn(addressAndPhones.Columns["address"].ColumnName)); But it gives me error so how can I copy fix no of columns data from one table to another table ? ERROR :Object reference not set to an instance of an object. EDIT : Only column is copied to another table, data of that column is not copied to another table.

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  • How can we extract substring of the string by position and sepretor.

    - by Harikrishna
    How can we divide the substring from the string Like I have string String mainString="///Trade Time///Trade Number///Amount Rs.///"; Now I have other string String subString="Amount" Then I want to extract the substring Amount Rs. with the help of second string named subString not by any other method But it should be extracted through two parameters like first is I have index no of Amount string and second is until the next string ///.

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  • Read xml file and import only one table from multiple tables from xml file in the dataset at a time.

    - by Harikrishna
    I want to store the data in the xml file and retrieve the data from that. I have defined more than table in that xml file.Now to read the tables I am using dataset ds = new dataset(); ds.ReadXml(xmlfilepath); Now this dataset contains all the tables those are in xml file when we read the xml file into dataset. But I want only one specified table at a time in a dataset by condition. Like there are PersonalInfo,OtherInfo,PropertiesInfo tables in the xml file. But I want only OtherInfo table in dataset what I should do ?

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  • If Html File Has No Ending "/tr" Tag OR "/td" Tag Then HTML Agility Pack Does Not Read That Informat

    - by Harikrishna
    I am using HTML Agility Pack to parse html content. I am using parsing to extract table information. It works. But if there is no ending "/tr" tag or "/td" tag then it does not parse that information perfectly.(in which there is no ending tr tag or td tag.) Like <TABLE border=0><TBODY><TR height=20><TD class=xl27boL noWrap width="7%">01890345&nbsp;</TD> <TD class=xl27boL noWrap width="4%">1416</TD> <TD class=xl27boL noWrap width="7%">kjlkjkls&nbsp;</TD><TD class=xl27boL noWrap width="4%">14:01:57&nbsp;</TD> <TD class=xl27boL noWrap align=left width="15%">Football</TD><TD class=xl27boL noWrap align=right width="5%">&nbsp;</TD> <TD class=xl27boL noWrap align=right width="5%">50&nbsp;</TD> <TD class=xl27boL noWrap align=right width="5%">4997.2500</TD><TD class=xl27boL noWrap align=right width="7%">249862.50&nbsp;</TD><TD class=xl27boL noWrap align=right width="5%">&nbsp;</TD><TD class=xl27boL noWrap align=right width="5%">&nbsp;</TD><TD class=xl27boRLnoWrap align=right width="8%">249612.64&nbsp;</TD><TD class=xl27boL noWrap align=right width="5%">4997.2500</TD><TD class=xl27boL noWrap align=right width="7%">249862.50&nbsp;</TD><TD class=xl27boL noWrap align=right width="5%">249.86</TD><TD class=xl27boL noWrap align=right width="5%">4992.2528</TD><TD class=xl27boL noWrap align=right width="5%">&nbsp;</TD><TD class=xl27boL noWrap align=right width="5%">&nbsp;</TD> <TD class=xl27boRL noWrap align=right width="8%">249612.64&nbsp;</TD> </table> So for that what should I do ?

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  • Error while coping datacolumn with data from one table to another .

    - by Harikrishna
    I have one Datatable like DataTable addressAndPhones; And there are four columns name,address,phoneno,and other details and I only want two columns Name and address from that so I do for that is DataTable addressAndPhones2; addressAndPhones2.Columns.Add(new DataColumn(addressAndPhones.Columns["name"].ColumnName)); addressAndPhones2.Columns.Add(new DataColumn(addressAndPhones.Columns["address"].ColumnName)); But it gives me error so how can I copy fix no of columns data from one table to another table ? ERROR :Object reference not set to an instance of an object.

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  • A null value should be considered as 0 when addition of it is done with decimal value.

    - by Harikrishna
    There are three column in the datatable A,B and C. Now each column is type of decimal. Now I am doing like dt.Columns["A"].Expression="B+C"; to make addition of Column B's record and column C's record. Now if there is any value of B or C is null then addition of B and C will be null like B's value is 3 and C's value is null for first row then B+C(3+null) will be null which is not appropriate, the result of addition should be 3.If I replace 0 instead of null then it will be ok.But whereever there is null value in the records it should be remain it is and it should not be replaced by 0.That is null value should not be replaced by 0 and when addition of null value is done with any decimal value null value should be considered as 0. Is it possible,how can we do this ?

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