[英]Sharepoint calculated field formula syntax
我必须以编程方式为列表中的计算字段设置公式。 该字段必须是其他两个字段的总和。 您能为我提供必须在代码中插入的公式的语法吗? 我找不到任何例子。 您还可以为我提供公式语法的参考吗,因为我还必须创建另一个计算字段,该字段是两个字符串字段的串联。 谢谢
计算字段公式 参考 :
对于您的任务,只需使用:
=[Column1] + [Column2]
使用服务器代码参考创建计算字段
using (SPWeb oWebsite = SPContext.Current.Site.AllWebs["Website_Name"])
{
SPList oList = oWebsite.Lists["MyList"];
SPFieldCollection collFields = oList.Fields;
string strNewFieldName = collFields.Add("MyNewColumn",
SPFieldType.Calculated, false);
SPFieldCalculated strNewField =
(SPFieldCalculated)collFields[strNewFieldName];
strNewField.Formula = "=[Column1]<[Column2]";
strNewField.Update();
}
使用CSOM代码reference1 , reference2创建计算字段。 如下所示,您需要记住xml中的转义特殊字符 。
string formula = "<Formula>=FirstName& \" \" &LastName& \" (id: \" &EmployeeID& \" \"</Formula>"
+ "<FieldRefs>"
+ "<FieldRef Name='FirstName' />"
+ "<FieldRef Name='LastName' />"
+ "<FieldRef Name='EmployeeID' />"
+ "</FieldRefs>";
string schemaCalculatedField = "<Field ID='<GUID>' Type='Calculated' Name='FullName' StaticName='FullName'
DisplayName='Full Name' ResultType='Text' Required='TRUE' ReadOnly='TRUE'>" + formula + "</Field>";
Field fullNameField = demoList.Fields.AddFieldAsXml(schemaCalculatedField, true, AddFieldOptions.AddFieldInternalNameHint);
clientContext.ExecuteQuery();
实现的工作代码(注释):
string formula = "<Formula>=Nome1&" "&Cognome1&"(id:"&Campo1&")"</Formula>" + "<FieldRefs>" + "<FieldRef Name='Nome1'/>" + "<FieldRef Name='Cognome1'/>" + "<FieldRef Name='Campo1'/>" + "</FieldRefs>";
string schemaCalculatedField = "<Field ID='1F2ABCC0-D243-40F0-A18D-E0AEF7FE3EB6' Type='Calculated' Name='FullName' StaticName='FullName' DisplayName='Full Name' ResultType='Text' Required='TRUE' ReadOnly='TRUE'>" + formula + "</Field>";
Field fullNameField = context.Web.Lists.GetByTitle("PnP Custom List3").Fields.AddFieldAsXml(schemaCalculatedField, true, AddFieldOptions.AddFieldInternalNameHint);
context.ExecuteQuery();
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