Passing parameter to a method

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Hi folks, still learning here so please bear with me!

I am trying to pass a parameter to my method, but keep getting an complier error

Error1 - The name 'vehicleMake' does not exist in the current context

Code below, any help much appreciated, please simplify your answers as I’m still new to this, thanks.

C#

public void RegReturn()
{

    string regNo;
    regNo = txtReg.Text;

    GetVehicleData RegSearch = new GetVehicleData();

    {
        RegSearch.GetTyreSize(regNo);
        TextBox1.Text = vehicleMake;

    }
}


public string GetTyreSize(string regNo)
{
    var service = new TyrescannerWebApp.com.carwebuk.www1.CarweBVRRWebService();
    var vehicleData = service.strB2BGetVehicleByVRM("regNo, "0.31.test");
    var vehicleMake = vehicleData.SelectSingleNode("//Vehicle/Combined_Make").InnerText;

    return vehicleMake;

}

Posted 11-Aug-15 23:26pm

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DamithSL · Answer 1 · 2015-08-11T23:35:00

Solution 1

read Scope [^] of variable to undestand why you can't access varible inside your method from calling method. since you have return value, you can use that as below.

C#

string vehicleMake = RegSearch.GetTyreSize(regNo);
//use the return value from your method 
TextBox1.Text = vehicleMake;

Posted 11-Aug-15 23:35pm

DamithSL

Updated 11-Aug-15 23:38pm

v2

Sanket Saxena · Answer 2 · 2015-08-12T01:45:00

Solution 2

Its obvious to get this error as you are using it going beyond its scope. You can use it inside GetTyreSize Method only.

Simply make it Global(not always a good approach) or return it (good approach) like:

C#

TextBox1.Text = RegSearch.GetTyreSize(regNo);

Hope it helps :)

Posted 12-Aug-15 1:45am

Sanket Saxena