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Syncfusion Feedback

Resetting GridStyleInfo

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39773 Jan 18,2006 08:20 AM UTC Jan 18,2006 12:39 PM UTC WinForms 1
Tags: GridControl
Asked On January 18, 2006 08:20 AM UTC

Hi, I''m having a problem resetting GridStyleInfos on a grid. I need to turn Readonly on a combobox cell on or off dynamically, and I have tried all kinds of stuff, but the cells that were put into read-only stay in readonly, even if I overwrite them with another GridStyleInfo. I also tried a clear on the grid first, but it hasn''t affected the problem at all. Here''s my code, which gets called when I change a combo on the form: /// /// Initiates datasources for controls & accessibility in grid. /// private void initGrids() { this.grdParams.BeginUpdate(); this.grdParams.Clear(true); this.grdParams.Clear(false); //Headernamen: this.grdParams[0,1].Text = "TableName"; this.grdParams[0,2].Text = "ColumnName"; this.grdParams[0,3].Text = "Modifier"; this.grdParams[0,4].Text = "Param1"; this.grdParams[0,5].Text = "Param2"; this.grdParams[0,6].Text = "Connector"; //Data in grid plaatsen: SetDataForGrid(); this.grdParams.Refresh(); //Instellen combo connector (AND/OR) in grid System.Collections.Specialized.StringCollection connectors = new System.Collections.Specialized.StringCollection(); connectors.Add("AND"); connectors.Add("OR"); GridStyleInfo ConStyle = new GridStyleInfo(); ConStyle.CellType = "ComboBox"; ConStyle.ChoiceList = connectors; ConStyle.ExclusiveChoiceList = true; ConStyle.ReadOnly = false; ConStyle.BackColor = Color.White; for(int bar = 1; bar<=grdParams.RowCount;bar++) { this.grdParams.ChangeCells(GridRangeInfo.Cell(bar,6),ConStyle); } this.grdParams.ChangeCells(GridRangeInfo.Col(6),ConStyle); //instellen combo Modifier als er rijen zijn: if(grdParams.RowCount != 0) { GridStyleInfo Modifstyle = new GridStyleInfo(); Modifstyle.CellType = "ComboBox"; Modifstyle.DataSource = m_Controller.FullDS.FilterTypes; Modifstyle.DisplayMember = "FilterType"; Modifstyle.ValueMember = "operand"; Modifstyle.ExclusiveChoiceList = true; this.grdParams.ChangeCells(GridRangeInfo.Cells(1,3,grdParams.RowCount,3),Modifstyle); } //Ophalen rijnummers voor AND/OR this.m_SwitchRows = this.m_Controller.CurrentReport.GetRelationRowNumbers(); //Readonly zetten van de juiste cellen in connector-kolom: GridStyleInfo ReadonlyStyle = new GridStyleInfo(); ReadonlyStyle.Clickable = false; ReadonlyStyle.ReadOnly = true; ReadonlyStyle.BackColor = Color.LightGray; ReadonlyStyle.ExclusiveChoiceList = false; for(int foo = 0;foo

Administrator [Syncfusion]
Replied On January 18, 2006 12:39 PM UTC

Hi, If you later want to make a change to a readonly column, please set grid.IgnoreReadOnly = true, then make the change, and then set grid.ReadOnly back to false. This is by design. this.grdParams.IgnoreReadOnly = true; for(int foo = 1;foo < 10; foo = foo + 2) { this.grdParams.ChangeCells(GridRangeInfo.Cell(foo,6),ReadonlyStyle); } this.grdParams.IgnoreReadOnly = false; Let me know if you need futher assistance, Regards, Madhan.


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