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