null text box

[Jan]

Hello,

Please show me your expression.

Thank you.

[majidsoft]

hi
i change my extension of file in float and my problem is solved but my second question is if my field have null value i want to set symbol for example (-) in that field
thank you

[Alex K.]

Hello,

Please use {DataSource["ColumnName"] == DBNull.Value ? "-" : DataSource.ColumnName.ToString()} for displaying Null values.

Thank you.

[majidsoft]

hi thanks
my problem solved
bye

[Alex K.]

Ok! We are always glad to help you!

[majidsoft]

hi
lok my friend this code you send to me change data type to string and when i was to get max or min or avg i faced a error can you change end of that code change tostring for example to double
thank you

[Alex K.]

Hello,

Code: Select all

{IIF(DataSource["ColumnName"] == DBNull.Value, 0,DataSource["ColumnName"])}

But then for the following conditions:

i change my extension of file in float and my problem is solved but my second question is if my field have null value i want to set symbol for example (-) in that field

you have to add conditions to your further calculations.


Thank you.

[majidsoft]

hi
thats true i change my extension of file and i think its work good but when i want to get avg or max or min i faced an error
now thanks to you my problem solved

[Andrew]

Ok! Have a nice day!