Cannot implicitly convert type string to string[] ?

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C#

ShadingAnalysisDataSetTableAdapters.tbl_CadEngineersTeamTableAdapter cd;

cd = new ShadingAnalysisDataSetTableAdapters.tbl_CadEngineersTeamTableAdapter();

DataTable dt2 = new DataTable();

dt2 = cd.GetAssignTeam(x);

object a = cd.GetAssignTeam(x);

string[] b = a.ToString(); // error popup here

Posted 28-Oct-14 18:39pm

Member 11042100

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Praneet Nadkar · Answer 1 · 2014-10-28T18:50:00

Hi,

In the code

C#

string[] b = a.ToString();

you are assigning a string object to array. You will have to assign a string array type object to it.

A string is an object of type String whose value is text. Internally, the text is stored as a sequential read-only collection of Char objects.
While a string array is a collection of strings. Hence, you cannot assign that way.

Try converting a object to string array and then assigning it to the array.

For e.g in your code try:

string[] b = ((System.Collections.IEnumerable)a).Cast<object>().Select(x => x.ToString()).ToArray();

Hope this helps !! :)

Regards,
Praneet

Animesh Datta · Answer 2 · 2014-10-28T18:55:00

Solution 2

Hello ,
.ToString() retuns single string rather than string array . so check your code before execution .

Posted 28-Oct-14 18:55pm

Animesh Datta

Updated 28-Oct-14 18:57pm

v2

Member 11039532 · Answer 3 · 2014-10-28T19:01:00

Solution 3

Hi,

Every array implements IEnumerable. You can use that functionality here.

Try this code

C#

string[] b = ((IEnumerable)obj).Cast<object>()                               .Select(x => x.ToString()).ToArray();

Posted 28-Oct-14 19:01pm

Member 11039532