The GridControl control of DevExpress sets the custom display method, devexpress

The GridControl control of DevExpress sets the custom display method, devexpress

For example, to display gender as a string, the database is saved as a value (1: male, 2: female, 3: Unknown ).

Method 1:

Click the "Run Designer" button on the control to go to the design page.

Select Columns to add a hidden field. The field value is the bound value to be displayed. If gender is displayed, bind the "Sex" field.

Add a display field, which is a field display expression.

The value of UnboundExpression is: Iif ([SexExpression] <= 2 And [SexExpression]> 0, Iif ([SexExpression] = 1, 'male', 'female '), unknown ').

Modify the value of the UnboundType attribute to String.

Set the attribute FiledName to SexDesc.

 

Method 2:

Click the "Run Designer" button on the control to go to the design page.

Edit the GridView1 event CustomColumnDisplayText of Views.

Private void gridView1_CustomColumnDisplayText (object sender, DevExpress. XtraGrid. Views. Base. CustomColumnDisplayTextEventArgs e) {if (e. Column. FieldName = "Sex") {if (e. Value! = Null) {switch (e. value. toString (). trim () {case "1": e. displayText = "male"; break; case "2": e. displayText = "female"; break; case "3": e. displayText = "unknown"; break; default: e. displayText = ""; break ;}}}}

 

 

 

How to save settings when selecting custom GridControlGridView columns in DevExpress and displaying/hiding columns so that the columns displayed next time are consistent

It must be stored in the database. I don't know about winform, but the web uses LoadClientLayout.

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