Skip to main content

How To remove/delete Row in a DataTable of DataSet C#.Net

I created one table using DataTable by programming, i have save this DataTable in Session in Asp.Net using C#.


DataTable dt = ((DataTable)Session["productds"]);
DataRow dr = dt.Rows.Find(SearchValue);
dt.Rows.Remove(dr);
dt.AcceptChanges();


First get the DataTable from Session into dt object using casting. After that find the DataRow  that has contain that unique value using Find() Method of DataTable dt, it will return the Datarow dr that matches the SearchValue.Then call Remove() method to delete row from DataTable dt,after that call AcceptChanges() method of DataTable dt to apply chages to DataTable.

Comments

Post a Comment

Popular posts from this blog

UP TET 2011 Exam Application,UPTET 2011 Result | UPTET 2011 Revised Result

UPTET 2011 Result | UPTET 2011 Revised Result | UPTET 2011 Updated Result |Board of High School and Intermediate Education Uttar Pradesh, Allahabad UP TET Advertisement 2011 and Exam Detail/Admit Card/Call Letter Download UP TET 2011 FORM & DETAILS  GET LATEST DETAIL ABOUT 72825 Primary Teacher Merit List UP TET 2011 Application form submission last date is 18-Oct-2011.Forms will be distributed from PNB bank all over UP.According to latest news Appearing B.Ed student also eligible for TET exam 2011 so they can also submit their forms to concern District.There is no requirement for Rojgar Registration No and Bank receipt within the application form.UP TET 2011 exam results will be avail on http://www.uptet2011.com . Now you can easily get Application from from the P.N.B bank Branches. UPTET 2011 Result | UPTET 2011 Revised Result | UPTET 2011 Updated Result |  Board of High School and Intermediate Education Uttar Pradesh, Al...

DataView Rowfilter With Like % in C#.Net

DataView RowFilter Syntax in C#,ASP.Net Example This example describes syntax of DataView.RowFilter expression. It shows how to correctly build expression string (without "SQL injection" ) using methods to escape values. Column names If a column name contains any of these special characters ~ ( ) # \ / = > < + – * % & | ^ ' " [ ], you must enclose the column name within square brackets [ ]. If a column namecontains right bracket ] or backslash \, escape it with backslash (\] or \\). [C#] dataView.RowFilter = "id = 10″; // no special character in column name " id " dataView.RowFilter = "$id = 10″; // no special character in column name " $id " dataView.RowFilter = "[#id] = 10″; // special character " #" in column name "#id" dataView.RowFilter = "[[id\]] = 10″; // special characters in column name " [id] " Literals String values are enclosed within single qu...

ASP.Net : The test form is only available for methods with primitive types as parameters

I made a webservice but some methods cannot be tested, I get following message:   The test form is only available for methods with primitive types as parameters.    when click on the service it display this irritating message. I found that this could also be due to passing the variables in the Method definition as ref.  I removed in marked in red circle to solve the problem.