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GDBG: Retrieve the RowIndex given the primary key of the underlying DataSource

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44988 Jun 8,2006 08:54 AM UTC Jun 9,2006 06:21 AM UTC WinForms 2
Tags: GridControl
Administrator [Syncfusion]
Asked On June 8, 2006 08:54 AM UTC

Hi, Is it possible to get the RowIndex for the current GDBG sorting given a specific DataRow (or a primary key) of the underlying data source? Thanks in advance Kind Regards Wolfgang

Administrator [Syncfusion]
Replied On June 8, 2006 10:08 AM UTC

Hi Wolfgang, If the data is sorted by primary key, you probably can use DataView.Find instead of just doing a linear search though the linear search is pretty efficient for simple look ups on small to medium sized tables. private int FindSortedValue(int val) { int found = -1; CurrencyManager cm = this.gridDataBoundGrid1.BindingContext[this.gridDataBoundGrid1.DataSource, this.gridDataBoundGrid1.DataMember] as CurrencyManager; if(cm != null) { DataView dv = cm.List as DataView; for(int i = 0; i < dv.Count; ++i) { if(dv[i][this.idCol].Equals(val)) { found = i; break; } } } return found; } //To get the RowIndex of the databound grid , you need to use this code. Here is a code snippet. this.gridDataBoundGrid1.Binder.PositionToRowIndex( FindSortedValue(int.Parse(this.textBox1.Text))) Here is a sample. http://www.syncfusion.com/Support/user/uploads/GDBG_UniqueID_8f986ed3.zip Let me know if this helps, Best Regards, Haneef

Administrator [Syncfusion]
Replied On June 9, 2006 06:21 AM UTC

Hi Haneef, Thank you for your help. Using DataView.Find works fine for me. Regards Wolfgang


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