Executescalar Error

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SqlCommand. ExecuteScalar Method (). An error occurred in a Stream, The following example creates a SqlCommand and then executes it using ExecuteScalar.

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I want to fetch 1st row 1st cell value from database it works well with below code. But when there is no result found it throws Exception. How to handle with DBNull.

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SqlCommand Methods ExecuteScalar Method. ExecuteScalar Method. An error occurred in a Stream, XmlReader or TextReader object during a streaming.

May 20, 2013. There is no need to keep calling.ToString() as getValue is already a string. Aside that, this line could possibly be your problem: string getValue.

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The ExecuteScalar() in C# SqlCommand Object is using for retrieve a single value from. Show (" No. of Rows " + count); } catch (Exception ex) { MessageBox.

Handling ExecuteScalar() when no results are returned. Ask Question. it is not give any error. So I can say ExecuteScalar not throw an exception.

Exception, Condition. InvalidOperationException. Cannot execute a command within a transaction context that differs from the context in which the connection.

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Jun 23, 2005  · However, in VB.Net, you can compile the equivalent, and that lead right down a road to the mentioned exception. VB will compile, but throw a runtime.

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Sep 10, 2015. This will ensure that even if ExecuteScalar returns null, as result of not selecting anything in stored procedure, countDis will have a value of 0.

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