Update&Delete Records in a C# DataGrid using .txt file

Question

How to Update&Delete Records in a C# DataGrid and textfile .txt in c#.

ali tuncer · Answer

You can read text file to a list, remove item, and write back.. List myList = File.ReadAllLines("contact.txt").ToList(); //read myList.RemoveAt(0); //removes first line File.WriteAllLines("contact.txt", myList.ToArray()); //write back modified list

S M Fasih ALi · Answer

can you tell me how edit text in datagridview using( text box and button)??

Rajeesh Menoth · Answer

Hi, Welcome :) The answer is helpful.Then please accept it !!

S M Fasih ALi · Answer

Thank you so much !!! very easy and useful logic Thankyou again!!

Rajeesh Menoth · Answer

Hi, Try this for removing content in Text file. string text = File.ReadAllText( "test.txt" ); text = text.Replace( "some text" , " " ); File.WriteAllText( "test.txt" , text); Reference : http://stackoverflow.com/questions/13509532/how-to-find-and-replace-text-in-a-file-with-c-sharp

S M Fasih ALi · Answer

file name is "contact.txt" file content : saadi ,0378243 ,saadi_angle@hotmail.com aadi ,0352743 ,adi_angle@hotmail.com ** This code only remove row in datagridview** private void button2_Click(object sender, EventArgs e) { foreach (DataGridViewRow item in this.dataGridView1.SelectedRows) { dataGridView1.Rows.RemoveAt(item.Index); } }

Rajeesh Menoth · Answer

Hi, Can you explain textfile ? In grid you can check this reference : Windows : http://www.c-sharpcorner.com/UploadFile/1e050f/insert-update-and-delete-record-in-datagridview-C-Sharp/ Web : http://www.aspdotnet-suresh.com/2011/02/how-to-inserteditupdate-and-delete-data.html Textfile : http://stackoverflow.com/questions/8457197/how-to-write-a-text-file-from-a-net-datagridview-control-cell-values

Update&Delete Records in a C# DataGrid using .txt file

Answers (7)