What is the difference between a datareader and a dataset?
No Answer is Posted For this Question
Be the First to Post Answer
What are the two fundamental objects in ADO.NET?
What Is Difference Between Ado And Ado.net?
What is ado.net objects?
Being fresher How would i answer to the question that what is your salary exception?
Which is faster ado.net or linq?
What is adodb dll?
suppose we using gridview contrl,with sqldatasource.in that for birth date how can we take validation contrl for dd/mm/yy formator how we assign regular expression for same
How To Update A Column In A DataGrid Using C#.NET? I am getting InvalidCastException as (Specified cast is not valid) while updating 2nd column in a datagrid? Id,firstname,lastname are the three columns of my datagrid respectively. I wanted to edit the second column(lastname) and update it. I did the following code in DataGrid's updatecommand(),but failed to update ! Int varid=(int)DataGrid1.DataKeys[e.Item.ItemIndex]; TextBox lnm=(TextBox)e.Item.Cells[2].Controls[0]; string str=lnm.Text ; SqlCommand cmd=new SqlCommand("update customer set lastname='" + str + "' where id=" + varid + "",con); cmd.ExecuteNonQuery(); DataGrid1.EditItemIndex=- 1; DataGrid1.DataBind();
Explain which name space is used to get assembly details?
Explain why canot we use multiple inheritance and garbage collector paralelly in .net?
Which is faster dataset or datareader?
How to you declare connection strings and how to you make use of web.config ?
Visual Basic (800)
C Sharp (3816)
ASP.NET (3180)
VB.NET (461)
COM+ (79)
ADO.NET (717)
IIS (369)
MTS (11)
Crystal Reports (81)
BizTalk (89)
Dot Net (2435)
Exchange Server (362)
SharePoint (720)
WCF (340)
MS Office Microsoft (6963)
LINQ Language-Integrated Query (317)
WPF (371)
TypeScript (144)
Microsoft Related AllOther (311)