Solved

C#

Posted on 2012-04-09

C#
ASP.NET

1 solution

211 Views

Last Modified: 2012-04-09

I am having function calls like below,

string LstrCurrentVP = string.Empty;
string LstrPriorVP = string.Empty;
LstrCurrentVP = BuildVP1Str(LobjCurrentVehiclePremiumsList, LstrCurrentVP, "Current");
LstrPriorVP = BuildVP1Str(LobjPriorVehiclePremiumsList, LstrPriorVP, "Prior");

string LstrCurrentVP = string.Empty;
string LstrPriorVP = string.Empty;
LstrCurrentVP = BuildVP2Str(LobjCurrentVehiclePremiumsList, LstrCurrentVP, "Current");
LstrPriorVP = BuildVP2Str(LobjPriorVehiclePremiumsList, LstrPriorVP, "Prior");

string LstrCurrentVP = string.Empty;
string LstrPriorVP = string.Empty;
LstrCurrentVP = BuildVP3Str(LobjCurrentVehiclePremiumsList, LstrCurrentVP, "Current");
LstrPriorVP = BuildVP3Str(LobjPriorVehiclePremiumsList, LstrPriorVP, "Prior");

I have methods like, BuildVP1Str, BuildVP2Str, BuildVP3Str ......BuildVP16Str.

Is there is any way, to call the method dynamically? I mean, since I have the method as 1, 2 etc...

Is it possible to dynamically frame method names and call inside the loop?

for eg,

for(int1=o;i<=16;i++)
{
string LstrCurrentVP = string.Empty;
string LstrPriorVP = string.Empty;
LstrCurrentVP = "BuildVP" + 1 + "Str"(LobjCurrentVehiclePremiumsList, LstrCurrentVP, "Current");
LstrPriorVP = "BuildVP" + 1 + "Str"(LobjPriorVehiclePremiumsList, LstrPriorVP, "Prior");
}

Since I am using vs 2005, i can't pass function names as parameters.

I thought of delegates but i don't hink for my scenario, I can go for it.

I know, I can't call a function (or use function name) like this "BuildVP" + 1 + "Str"(),

I just want to be clear that I want to do something of that sort. Is ther is any concepts for this in VS 2005.

Please help.

Comment

Question by:RameshLathu

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4 Comments

LVL 23

Expert Comment

by:wdosanjos

ID: 378246162012-04-09

It could be something like this using Reflection. BTW, it assumes all BuildVP methods are on the same class and they are all public.

for (int i = 1; i <= 16; i++)
{
    string LstrCurrentVP = string.Empty;
    string LstrPriorVP = string.Empty;

    MethodInfo buildVP = this.GetType().GetMethod("BuildVP" + i + "Str");

    LstrCurrentVP = (string)buildVP.Invoke(this, new object[] { LobjCurrentVehiclePremiumsList, LstrCurrentVP, "Current" });
    LstrPriorVP = (string)buildVP.Invoke(this, new object[] { LobjCurrentVehiclePremiumsList, LstrCurrentVP, "Prior" });
}

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Author Comment

by:RameshLathu

ID: 378249782012-04-09

Thankyou....so much....It's working fine.

I have another quesry related to this, in the same for loop,
I want to concat both string and assing to one variable.
Again, I have 16 variables of "Ref" type, (Like ref string PstrVP1, ref string PstrVP2, ref string PstrVP3)

"PstrVP" + i = LstrCurrentVP + LstrPriorVP;

for (int i = 1; i <= 16; i++)
{
string LstrCurrentVP = string.Empty;
string LstrPriorVP = string.Empty;

MethodInfo buildVP = this.GetType().GetMethod("BuildVP" + i + "Str");

LstrCurrentVP = (string)buildVP.Invoke(this, new object[] { LobjCurrentVehiclePremiumsList, LstrCurrentVP, "Current" });
LstrPriorVP = (string)buildVP.Invoke(this, new object[] { LobjCurrentVehiclePremiumsList, LstrCurrentVP, "Prior" });

"PstrVP" + i = LstrCurrentVP + LstrPriorVP;

}

Please help...

LVL 23

Accepted Solution

by:wdosanjos

wdosanjos earned 500 total points

ID: 378250382012-04-09

It's best to create an array in this case.

string[] PstrVP = new string[17];

for (int i = 1; i <= 16; i++)
{
    string LstrCurrentVP = string.Empty;
    string LstrPriorVP = string.Empty;

    MethodInfo buildVP = this.GetType().GetMethod("BuildVP" + i + "Str");

    LstrCurrentVP = (string)buildVP.Invoke(this, new object[] { LobjCurrentVehiclePremiumsList, LstrCurrentVP, "Current" });
    LstrPriorVP = (string)buildVP.Invoke(this, new object[] { LobjCurrentVehiclePremiumsList, LstrCurrentVP, "Prior" });

    PstrVP[i] = LstrCurrentVP + LstrPriorVP;
}

Open in new window

string[] PstrVP = new string[16];

for (int i = 1; i <= 16; i++)
{
    string LstrCurrentVP = string.Empty;
    string LstrPriorVP = string.Empty;

    MethodInfo buildVP = this.GetType().GetMethod("BuildVP" + i + "Str");

    LstrCurrentVP = (string)buildVP.Invoke(this, new object[] { LobjCurrentVehiclePremiumsList, LstrCurrentVP, "Current" });
    LstrPriorVP = (string)buildVP.Invoke(this, new object[] { LobjCurrentVehiclePremiumsList, LstrCurrentVP, "Prior" });

    PstrVP[i - 1] = LstrCurrentVP + LstrPriorVP;
}

Open in new window

Author Closing Comment

by:RameshLathu

ID: 378250622012-04-09

Very Good Solution for my scenario....

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