drag and drop data from listbox to datagridview

Question

hi c# coder

 

 

 this is my project.

 

I need to drag some items in listbox box and drop it to the datagridview Name column. but the default  name would not be change at any cost.

 but i need to get the message box of that particular row  which i drop the item . in that row Present details are shown into messageBox.

 

my coding is.

 

I connect my datagridview and listbox in to database.

 

 

private void dataGridView1_DragDrop(object sender, DragEventArgs e)

{

if (e.Data.GetDataPresent(typeof(string)))

{

string item = (string)e.Data.GetData(typeof(System.String));

Point clientPoint = dataGridView1.PointToClient(new Point(e.X, e.Y));

DataGridView.HitTestInfo info = dataGridView1.HitTest(clientPoint.X, clientPoint.Y);

if (info.Type == DataGridViewHitTestType.Cell)

{

if (dataGridView1.Columns[info.ColumnIndex].HeaderText == "Name")

dataGridView1.Rows[info.RowIndex].Cells[info.ColumnIndex].Value = item;

MessageBox.Show("data is " + item);

}

}

}

private void dataGridView1_DragEnter(object sender, DragEventArgs e)

{

if (e.Data.GetDataPresent(typeof(System.String)))

e.Effect = DragDropEffects.Copy;

else

e.Effect = DragDropEffects.None;

}

private void listBox1_MouseDown(object sender, MouseEventArgs e)

{

listBox1.DoDragDrop(listBox1.SelectedItem, DragDropEffects.Copy);

}

 

 And my output is:

 

 

 

 

for this i drag 106 into listbox drop it to the datagridview name table. the name value is change to 106 and messagebox contain 106. i no need this kind

 

when i drop the item into name column i name did not to be change and i get that droped row present details into messageBox 

 

 i tried lot but did not get 

 Please help me. :-(