Category: csom
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SharePoint 2013/2016/2019: Use CSOM in SharePoint Site with multiple authentication schemes

Scenario I have a SharePoint site collection which has multiple authentication schemes (say Windows NTLM, Azure AD, Okta, ADFS or any other 3rd party Identity provider) on same URL. Now when I try to connect to that site using CSOM, I will get below 403 forbidden error from SharePoint: The remote server returned an error:…
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SharePoint 2013 – Update/Clear Taxonomy Field Value using C# CSOM
This post will detail you with sample code snippet to update and clear value of a taxonomy field of a list item. Update value to Taxonomy Field: public void UpdateTaxonomyField(ClientContext ctx, List list,ListItem listItem,string fieldName,string fieldValue) { Field field = list.Fields.GetByInternalNameOrTitle(fieldName); TaxonomyField txField = clientContext.CastTo<TaxonomyField>(field); TaxonomyFieldValue termValue = new TaxonomyFieldValue(); string[] term = fieldValue.Split(‘|’); termValue.Label = term[0]; termValue.TermGuid…
