Set Expressions DataTable

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I want to put Minimum Value of (cpKL,cpKR) into cpK How to write the expression for cpK


sigma.Expression = "(Convert(point90,'System.Double')-Convert(point10,'System.Double'))/2.56";

cpKL.Expression = "(Convert(point50,'System.Double')- Convert(LSL,'System.Double'))/(3.0*sigma)";

cpKR.Expression = "(Convert(USL,'System.Double') - Convert(point50,'System.Double'))/(3.0*sigma)";

// The expression contains undefined function call Math.Min().
//cpK.Expression = "Math.Min((Convert(cpKL,'System.Double'),(Convert(cpKR,'System.Double'))";

Posted 12-Mar-14 0:14am

FarhanShariff

Updated 12-Mar-14 0:35am

v2

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Comments

BillWoodruff 13-Mar-14 2:51am

Are you actually wanting to save string representations of executable code which you will want to execute later ? If so, you need to study the 'Action and 'Func facilities in .NET FrameWork 3.5 and later, or study the use of Delegates in earlier versions of .NET.

3 solutions

Solution 2

Try this,

C#

cpK.Expression = (cpKL<cpkr)?cpkl:cpkr;>

Posted 12-Mar-14 1:22am

Manikandan K

Solution 5

then try separately, like this,

first check which is smaller and assign that to a 3rd variable say cp,

C#

if(cpKL < cpKR)
{
   cp = cpKL;
}
else cp = cpKR;

Now assign cpK.Expression = cp;

Posted 12-Mar-14 2:37am

Manikandan K

Comments

CHill60 12-Mar-14 9:10am

Please don't post multiple solutions like this. It is very hard to follow. Either use the Reply link next to the OP's comments or use "Improve solution" to add detail to your original solution

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FarhanShariff · Accepted Answer · 2014-03-12T00:43:00

Solution 1

cpK.Expression = "IIF(cpKL < cpKR, cpKL, cpKR)";

Posted 12-Mar-14 0:43am

FarhanShariff