hi, In my below code while i am executing i am getting below exception please suggest where i need to update. void CmbHospitalsSelectedIndexChanged( object sender, EventArgs e) { try { WebClient wc = new WebClient(); wc.Headers[ "Content-type" ] = "application/x-www-form-urlencoded" ; NameValueCollection collection = new NameValueCollection(); collection.Add( "hid" , "0" ); collection.Add( "sno" , "2" ); byte [] bret = wc.UploadValues(URLAuth, collection); string sret = "" ; sret = System.Text.Encoding.ASCII.GetString(bret); int count=0; string [,] husers ; if (sret != "" ) { XmlDocument readDoc = new XmlDocument(); readDoc.LoadXml(sret); count = readDoc.SelectNodes( "hospitalusers/huids" ).Count; husers = new string [count, 4]; // alternately, _doc.Load( _strFilename); to read from a file. XmlNodeList xhuid = readDoc.GetElementsByTagName( "huid" ); XmlNodeList xuser_name = readDoc.GetElementsByTagName( "user_name" ); for ( int i= 0; i { husers[i,0] = xhuid[i].InnerText; husers[i, 4] = xuser_name[i].InnerText; } cmbhusers.DisplayMember= "text" ; cmbhusers.ValueMember= "key" ; for ( int i = 0; i { cmbhusers.Items.Add( new { Text = husers[i, 4], Key=Convert.ToInt16(husers[i,0])}); } } } catch (NullReferenceException e1) { MessageBox.Show(e1.Message); }

Hi, put count-1 in for loop condition Hope its help for you Or in other loop in GetLenth -1 also try

@Ravi Thanks for your suggestion I already debugged the error, i got the required output. updated my array [i,4] to [i,1]

Answers

Index was outside the bounds of the array C#

abburi chowdary

1.1k

hi,

In my below code while i am executing i am getting below exception please suggest where i need to update.

void CmbHospitalsSelectedIndexChanged(object sender, EventArgs e)
{
try
{
WebClient wc = new WebClient();
wc.Headers["Content-type"] = "application/x-www-form-urlencoded";
NameValueCollection collection = new NameValueCollection();
collection.Add("hid","0");
collection.Add("sno", "2");
byte[] bret = wc.UploadValues(URLAuth, collection);
string sret = "";
sret = System.Text.Encoding.ASCII.GetString(bret);
int count=0;
string[,] husers ;
if (sret != "")
{
XmlDocument readDoc = new XmlDocument();
readDoc.LoadXml(sret);
count = readDoc.SelectNodes("hospitalusers/huids").Count;
husers = new string[count, 4];
// alternately, _doc.Load( _strFilename); to read from a file.
XmlNodeList xhuid = readDoc.GetElementsByTagName("huid");
XmlNodeList xuser_name = readDoc.GetElementsByTagName("user_name");
for (int i= 0; i < count; i++)
{
husers[i,0] = xhuid[i].InnerText;
husers[i, 4] = xuser_name[i].InnerText;
}
cmbhusers.DisplayMember="text";
cmbhusers.ValueMember="key";
for (int i = 0; i < husers.GetLength(0); i++)
{
cmbhusers.Items.Add(new { Text = husers[i, 4], Key=Convert.ToInt16(husers[i,0])});
}
}
}
catch (NullReferenceException e1)
{
MessageBox.Show(e1.Message);
}