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Error in calculating irr in asp.net using vb.net

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Error in calculating irr in asp.net using vb.net

asmasm	15 Sep, 2008 - 04:47 AM Post #1
New D.I.C Head Joined: 11 Sep, 2008 Posts: 2	i am calculating irr and pass listarray created at runtime to irr function and i get error. as i'm new to .net i have to calculate irr textbox2.text specify the no installments textbox1.text specify loan amount textbox5.text specify the amount of installments Dim i As Int16 Dim pay As New ArrayList() For i = 0 To TextBox2.Text pay.Add(TextBox5.Text) Next pay.Add(-TextBox1.Text) Dim ir As Double ir = Math.Round(Microsoft.VisualBasic.Financial.IRR(pay (TextBox2.Text + 1), 0.1), 2) TextBox7.Text = ir GET THIS ERROR MESSAGE Unable to cast object of type 'System.Double' to type 'System.Double[]'.
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dineeshd	RE: Error In Calculating Irr In Asp.net Using Vb.net 15 Sep, 2008 - 05:06 AM Post #2
D.I.C Addict Joined: 30 Jun, 2008 Posts: 579 Thanked: 16 times Dream Kudos: 575 My Contributions	If I am not wrong below code is giving error. right? vb ir = Math.Round(Microsoft.VisualBasic.Financial.IRR(pay (TextBox2.Text + 1), 0.1), 2) You are trying to assign pay, which is Double Array type to irr which is Double type. So it must give error. You need to reconstruct your logic. May be you need to make a sum of pay values and assign it to irr. And please use Code Tags while posting code. Example:
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