troubleshooting Question

datatable column default value

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claracruz asked on
3 Comments1 Solution527 ViewsLast Modified:
Hello experts,

when i do the following;

dcolImage = dt.Columns["IMAGEST"];
dcolImage.DefaultValue = "../images/player_off.gif";

i get error
Object reference not set to an instance of an object.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

Line 151:              //set column default value
Line 152:                        dcolImage = dt.Columns["IMAGEST"];
Line 153:                        dcolImage.DefaultValue = "../images/player_off.gif";
Line 154:               DataView dv = new DataView(dt);
Line 155:               return dv;

Source File: d:\aufachse\NET\site\gamesBox\gamesLoungeCodeBehind.cs    Line: 153

What could I be doing wrong
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