Opacity of datagrid

Question

I am trying to set the opacity of datagrid so that the label behind it act as a watermark. but datagrid don't have the opacity property. Plz help me. thanks & regards.

Mahesh Chand · Answer

Unlike WPF, Windows Forms controls do not have Opacity property. Here is an article that may help you figure out this problem. Making Transparent Control using GDI+ and C# (Updated to NET 3.5)

Anusha Srivastava · Answer

Can Anyone help...

Anusha Srivastava · Answer

Sir here i am pasting my code now i want that behind this datagrid i want to show some text that should be visible throw the datagrid and that text may be a only text or any label's text behind the datagrid. so want my datagrid as transparent but i have tried. but not succeeded. please help. using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Drawing.Drawing2D; using System.Drawing.Imaging; using System.Text; using System.Windows.Forms; namespace WindowsApplication1 { public partial class CheckItem : Form { public CheckItem() { InitializeComponent(); } private DataTable Item = new DataTable("CheckItem"); private Label lbl = new Label(); private Label lbl5 = new Label(); //To drag The Form Without Border #region"To drag The Form Without Border" const int WM_NCHITTEST = 0x84; const int HTCLIENT = 0x1; const int HTCAPTION = 0x2; protected override void WndProc(ref System.Windows.Forms.Message m) { switch (m.Msg) { case WM_NCHITTEST: base.WndProc(ref m); if (m.Result.ToInt32() == HTCLIENT) m.Result = new IntPtr(HTCAPTION); break; default: base.WndProc(ref m); break; } } #endregion #region"private void CheckItem_Load" private void CheckItem_Load(object sender, EventArgs e) { try { //Fixing the length and position of windows form. Screen scr = Screen.PrimaryScreen; //this.Left = (scr.WorkingArea.Width - this.Width) / 2; //this.Top = (scr.WorkingArea.Height - this.Height) / 2; this.MaximumSize = new Size(this.Width, this.Height); this.MinimumSize = new Size(this.Width, this.Height); // Label #region"Label" DataGridTableStyle dgStyle = new DataGridTableStyle(); dgStyle.HeaderBackColor = Color.Chocolate; dgStyle.HeaderForeColor = Color.White; dgStyle.HeaderFont = new Font("verdana", 8, FontStyle.Bold); DataGridTextBoxColumn dgItemCode = new DataGridTextBoxColumn(); dgItemCode.ReadOnly = true; dgItemCode.Width = 80; DataGridTextBoxColumn dgItemName = new DataGridTextBoxColumn(); dgItemName.ReadOnly = true; dgItemName.Width = 90; DataGridTextBoxColumn dgRecivedQuantity = new DataGridTextBoxColumn(); dgRecivedQuantity.ReadOnly = true; dgRecivedQuantity.Width = 130; DataGridTextBoxColumn dgApproved = new DataGridTextBoxColumn(); dgApproved.Width = 80; DataGridTextBoxColumn dgRejected = new DataGridTextBoxColumn(); dgRejected.Width = 80; dgItemCode.HeaderText = "Item Code"; dgItemCode.MappingName = "ItemCode"; dgItemName.HeaderText = "Item Name"; dgItemName.MappingName = "ItemName"; dgRecivedQuantity.HeaderText = "Recived Quantity"; dgRecivedQuantity.MappingName = "RecivedQuantity"; dgApproved.HeaderText = "Approved"; dgApproved.MappingName = "Approved"; dgRejected.HeaderText = "Rejected"; dgRejected.MappingName = "Rejected"; #endregion // Create temprarory datatable #region"Create temprarory datatable" DataTable Item = new DataTable(); DataRow dr; Item.Columns.Add("ItemCode", typeof(string)); Item.Columns.Add("ItemName", typeof(string)); Item.Columns.Add("RecivedQuantity", typeof(Int32)); Item.Columns.Add("Approved", typeof(Int32)); Item.Columns.Add("Rejected", typeof(Int32)); //Add temp datas dr = Item.NewRow(); dr["ItemCode"] = "I007"; dr["ItemName"] = "RAM"; dr["RecivedQuantity"] = 1344; dr["Approved"] = 904; dr["Rejected"] = 220; Item.Rows.Add(dr); dr = Item.NewRow(); dr["ItemCode"] = "I004"; dr["ItemName"] = "RM"; dr["RecivedQuantity"] = 10; dr["Approved"] = 900; dr["Rejected"] = 200; Item.Rows.Add(dr); dr = Item.NewRow(); dr["ItemCode"] = "I006"; dr["ItemName"] = "RAM"; dr["RecivedQuantity"] = 1000; dr["Approved"] = 900; dr["Rejected"] = 200; Item.Rows.Add(dr); #endregion //Adding Label #region"Adding Label" Label lbl1 = new Label(); lbl1.Font = new Font("Verdana", 8, FontStyle.Bold); lbl1.BackColor = Color.White; lbl1.Left = 50; lbl1.Text = " "; lbl1.ForeColor = Color.White; Label lbl2 = new Label(); lbl2.Font = new Font("Verdana", 8, FontStyle.Bold); lbl2.Left = 50; lbl2.Text = " "; lbl2.ForeColor = Color.White; Label lbl3 = new Label(); lbl3.Font = new Font("Verdana", 8, FontStyle.Bold); lbl3.Left = 50; lbl3.Text = " "; lbl3.ForeColor = Color.White; //Label lbl = new Label(); lbl.Font = new Font("Verdana", 8, FontStyle.Bold); lbl.Text = "*"; lbl.Left = 50; lbl.ForeColor = Color.Red; //Label lbl5= new Label(); lbl5.Font = new Font("Verdana", 8, FontStyle.Bold); lbl5.Text = "*"; lbl5.Left = 50; lbl5.ForeColor = Color.Red; dgItemCode.TextBox.Controls.Add(lbl1); dgApproved.TextBox.Controls.Add(lbl); dgRejected.TextBox.Controls.Add(lbl5); dgItemName.TextBox.Controls.Add(lbl2); dgRecivedQuantity.TextBox.Controls.Add(lbl3); dgStyle.GridColumnStyles.Add(dgItemCode); dgStyle.GridColumnStyles.Add(dgItemName); dgStyle.GridColumnStyles.Add(dgRecivedQuantity); dgStyle.GridColumnStyles.Add(dgApproved); dgStyle.GridColumnStyles.Add(dgRejected); #endregion dgStyle.PreferredRowHeight = 24; dataGrid1.TableStyles.Add(dgStyle); //binding datagrid dataGrid1.BackColor = Color.Transparent; dataGrid1.CaptionText = "Check Item"; dataGrid1.DataSource = Item; //code for combox on pageload event cmbPurchaseOrder.SelectedIndex = 0; cmbVender.SelectedIndex = 0; } catch (Exception ex) { throw ex; } } #endregion #region"private void btnReset_Click" private void btnReset_Click(object sender, EventArgs e) { cmbPurchaseOrder.SelectedIndex = 0; cmbVender.SelectedIndex = 0; BillOfMaterial frm = new BillOfMaterial(); frm.Show(); } #endregion #region"private void btnCancel_Click" private void btnCancel_Click(object sender, EventArgs e) { this.Dispose(); } #endregion private void CheckItem_MouseMove(object sender, MouseEventArgs e) { lbl.Text = "*"; lbl.Font = new Font("Verdana", 8, FontStyle.Bold); lbl.Text = "*"; lbl.Left = 50; lbl.ForeColor = Color.Red; lbl5.Font = new Font("Verdana", 8, FontStyle.Bold); lbl5.Text = "*"; lbl5.Left = 50; lbl5.ForeColor = Color.Red; } } }

Anusha Srivastava · Answer

Thanks Sir...

Opacity of datagrid

Sumit Jolly