CRUD Operations using DataGridView, DataTable and DataAdapter - Cannot add new row to DataGridView

Question

I\'m trying to insert new records into the source table from the C# interface grid view.... But when I retrieve the records with the buttonclick code shown below... Im getti

Answer 1

Code is using ExecuteNonQuery, it returns no of rows affected not the results your query returns.

Use ExecuteReader instead.

var reader = cmd1.ExecuteReader();
DataTable dt = new DataTable();
dtLoad(reader);

Is there any option or property for enabling the insertion option in the gridview

dataGridView1.ReadOnly = false;
dataGridView1.EditMode = DataGridViewEditMode.EditOnF2; //if you want to edit on F2.