datapham

Hi everyone , i try to validate a [string ID] when user input it in a textBox(C#)for searching datarows in database , but it does not send a message "False Input" if i input a wrong string ID which is different from database . protected void button_search(object sender, EventArgs e) …

Hi, i have tried to insert all rows at one time from datagridview c# into a table in database , although the table gets all the rows from datagridview but it always gets the values of the last row from datagridview for all the other rows , so all the …

Pls help me , i can not run it correctly with "AddNew, Update, Update, Delete, Cxl" , i have tried many ways but no effect ? My database has 5 tables , i choose one which has 7 columns , the 7th col (name = "ID") is identity number (1/1). …

when i choose a row of dataGridView with the event Selectionchanged , how to display the record in textboxes ? Thanks.