WebJul 24, 2014 · 1. The MSDN says in the docs about RowIndex property. When the RowIndex property returns -1, the cell is either a column header, or the cell's row is shared. So you need to handle the e.RowIndex == -1 when you receive the event. (...The index must not be negative....) private void firearmView_CellClick (object sender, … WebSep 1, 2024 · If you have 10 items in the arraylist and the datagridview then delete 2 from the datagridview you now have 10 items in the arraylist and 8 in the datagridview. If you receive the index of the either of the …
c# - Index out of range exception in datagridview when header …
WebMar 2, 2024 · C# Datagridview index out of range. Ask Question Asked 6 years, 1 month ago. Modified 6 years, 1 month ago. Viewed 793 times -1 In c# windows form application, there is a delete button is the form which is supposed to delete the username in front of it. While it runs fine and deletes the user if the user is on the top of the list but if I want ... WebOct 25, 2024 · This could be inside or outside the selection. DataGridView.CurrentRow.Index is an index into the DataGridView.Rows collection and shouldn't be used with DataGridView.SelectedRows. DataGridView.SelectedRows is a subset of DataGridView.Rows. Try: txt1.Text = dgvw1.Rows … iphone reset hack
Index was out of range. datagridview winforms - Stack Overflow
WebSystem.IndexOutOfRangeException: Index 0 does not have a value. at System.Windows.Forms.CurrencyManager.get_Item(Int32 index) at System.Windows.Forms.DataGridView.DataGridViewDataConnection.GetError(Int32 rowIndex) I am using generic list to fill binding source. The code looks like, foreach … WebApr 29, 2016 · 1 Answer. Sorted by: 3. Your range check is open to errors. First, Your current code allows selRow to be less than -2: If selRow <> -1 And selRow <= DataGridView1.Rows.Count - 1 Then DataGridView1.CurrentCell = DataGridView1.Rows … WebSystem.ArgumentOutOfRangeException: 'Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index' [! [enter image description here] [2]] [2] private void dataGridView1_CellClick (object sender, DataGridViewCellEventArgs e) { int indexRow = e.RowIndex; DataGridViewRow row = … iphone reset network settings att