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i have two form, in form1, i am having a datagrid view and its datasource is a database, now what i am trying to achieve is, i want selected rows's data of the datagridview on the other form form2 's treeview nodes.
i have tried this in form1
List<globals> DatagridViewDataObject = new List<globals>();
foreach (DataGridViewRow item in DataGridViewPersonalDetails.Rows)
if (Convert.ToBoolean(item.Cells[0].Value))
DatagridViewDataObject.Add(new Globals
Serial_Number = item.Cells[0].Value.ToString(),
Name = item.Cells[1].Value.ToString(),
Address = item.Cells[2].Value.ToString(),
City = item.Cells[3].Value.ToString(),
Zip_Code = item.Cells[4].Value.ToString(),
LiveWin LiveWinObject = new LiveWin();
LiveWinObject.Values = DatagridViewDataObject;

What I have tried:

this is my method to get data into tree view and i haved called the method into the form2 load event

public void AddDataToGridView(List<Globals> val)
            if (val != null)
                for (int i = 0; i < val.Count; i++)
                    int RowIndex = i + 1;
                    TreeNode NodeOfTree = new TreeNode("Row_" + RowIndex);
                    for (int j = 0; j < val.Count; j++)
Updated 2-Mar-22 22:58pm

1 solution

Exactly how depends on the "relationship" between the two forms.
Have a look at these, one of them will fit your circumstances.
The form that creates an instance of another:
MyForm mf = new MyForm();
Is the "parent", the other form is the "child".
(This doesn't imply any formal MDI relationship)

Transferring information between two forms, Part 1: Parent to Child[^]
Transferring information between two forms, Part 2: Child to Parent[^]
Transferring information between two forms, Part 3: Child to Child[^]

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