Error during SQL Update: "Incorrect Syntax Near '1'" [closed] in sql ?

You can debug and run your SQL query in SQL management studio to check what is wrong with your query.

try
        {
            if (dgvStockEntry.Rows.Count > 0)
            {
                if (MessageBox.Show("Are you sure you want to save this records?", stitle, MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    for (int i = 0; i < dgvStockEntry.Rows.Count; i++)
                    {
                        cn.Open();   

                        var quantity = dgvStockEntry.Rows[i].Cells[5].Value.ToString();
                        var pcode = dgvStockEntry.Rows[i].Cells[2].Value.ToString();
                        var sql = $"Update Products set Quantity = '{stockeEntry}' where Pcode like 'pcode'"
                        cm = new SqlCommand(, cn);
                        cm.ExecuteNonQuery();
                     
                        cm = new SqlCommand("Update StockEntry set Quantity = Quantity '" + dgvStockEntry.Rows[i].Cells[5].Value.ToString() + ", Status = 'Done' where Id like '" + dgvStockEntry.Rows[i].Cells[0].Value.ToString() + "'", cn);
                        cm.ExecuteNonQuery();
                        cn.Close();
                    }
                    Clear();
                    LoadStockEntry();
                }
                
                
            }
        }
        catch (Exception ex)
        {
            cn.Close();
            MessageBox.Show(ex.Message, stitle, MessageBoxButtons.OK, MessageBoxIcon.Warning);
        }