HasRows Property (SqlShimDataReader)
On this page
Gets a value indicating whether the
SqlShimDataReader contains one or more rows.
Syntax
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'Declaration
Public Overrides ReadOnly Property HasRows As Boolean |
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public override bool HasRows {get;} |
Property Value
true if the
SqlShimDataReader contains one or more rows; otherwise,
false.
Example
This sample shows how to optimize reading from a data source using
HasRows property.
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public void FetchResults(ZohoConnection zohoConnection)
{
ZohoCommand cmd = new ZohoCommand("SELECT * FROM Accounts");
cmd.FetchSize = 100;
cmd.Connection = zohoConnection;
zohoConnection.Open();
try
{
ZohoDataReader reader = cmd.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
for (int i=0;i<reader.FieldCount;i++)
{
Console.Write("\t"+reader[i]);
}
Console.WriteLine();
}
}
else
{
Console.WriteLine("No rows detected.");
}
}
finally
{
zohoConnection.Close();
}
} |
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Public Sub FetchResults(ByVal zohoConnection As ZohoConnection)
Dim cmd As ZohoCommand = New ZohoCommand("SELECT * FROM Accounts")
cmd.FetchSize = 100
cmd.Connection = zohoConnection
zohoConnection.Open()
Try
Dim reader As ZohoDataReader = cmd.ExecuteReader()
If reader.HasRows Then
While reader.Read()
Dim i
For i = 0 To reader.FieldCount - 1
Console.Write(String.Concat(" ", reader(i)))
Next i
Console.WriteLine()
End While
Else
Console.WriteLine("No rows detected.")
End If
Finally
zohoConnection.Close()
End Try
End Sub |
See Also
