Spread for ASP.NET 8.0 Product Documentation > Developer's Guide > Managing Data Binding > Limiting Postbacks When Updating Bound Data |
If your data set is getting lost when you click the Update button, make sure that you have code in your page load event so that you only re-create the bound data when you are loading for the first time and not overwriting it on each post back.
Use the IsPostBack property.
In this example, the if-endif structure surrounding the DataBind method restricts the method from being run on each post back.
C# |
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if !(Page.IsPostBack)
{
... other code ...
FpSpread1.DataBind();
}
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VB |
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If Not Page.IsPostBack Then ... other code ... FpSpread1.DataBind() End If |