Error while oledb datareader reteriving data

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Dear Sir

i have a data reader rdr and in while function i am using it like

C#

while (rdr.read())
{

fun();

} 

void fun()
{
reader=commond.excecutereader();
while(reader.read())
{
}
reader.close()
}

after the fun function when rdr moves to next record it shows error no data is available. but it has records when i check the query

Posted 10-Feb-14 19:28pm

rajbir singh thind

Updated 10-Feb-14 19:54pm

ravikhoda

v2

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Comments

Bernhard Hiller 11-Feb-14 2:55am

while(reader.read())
{
Show us your code here!
}

1 solution

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The14thNoah · Answer 1 · 2014-02-10T20:28:00

Solution 1

try this

C#

void fun()
{
try
  {
    reader=commond.excecutereader();
    while(reader.read())
    {
     //do something
    }
  }
catch{//catch error}
finally
  {
  reader.close();
  }
}

Posted 10-Feb-14 20:28pm

The14thNoah

Comments

rajbir singh thind 11-Feb-14 2:48am

i tried it sir

The14thNoah 11-Feb-14 18:50pm

and?it still show no record after it reads the first one?

Bernhard Hiller 11-Feb-14 2:57am

Ever heard of "using"?
It is clear that neither your solution nor "using" would solve the OP's problem, but at least your "solution" would help prevent later errors.